28661136840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43913}}^1$

素因数の和:43981

約数の個数: 288

約数和(自身を含む): 111287737080

約数和(自身を除く): 82626600240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 49, 56, 60, 63, 70, 72, 74, 84, 90, 98, 105, 111, 120, 126, 140, 147, 148, 168, 180, 185, 196, 210, 222, 245, 252, 259, 280, 294, 296, 315, 333, 360, 370, 392, 420, 441, 444, 490, 504, 518, 555, 588, 630, 666, 735, 740, 777, 840, 882, 888, 980, 1036, 1110, 1176, 1260, 1295, 1332, 1470, 1480, 1554, 1665, 1764, 1813, 1960, 2072, 2205, 2220, 2331, 2520, 2590, 2664, 2940, 3108, 3330, 3528, 3626, 3885, 4410, 4440, 4662, 5180, 5439, 5880, 6216, 6660, 7252, 7770, 8820, 9065, 9324, 10360, 10878, 11655, 13320, 14504, 15540, 16317, 17640, 18130, 18648, 21756, 23310, 27195, 31080, 32634, 36260, 43512, 43913, 46620, 54390, 65268, 72520, 81585, 87826, 93240, 108780, 130536, 131739, 163170, 175652, 217560, 219565, 263478, 307391, 326340, 351304, 395217, 439130, 526956, 614782, 652680, 658695, 790434, 878260, 922173, 1053912, 1229564, 1317390, 1536955, 1580868, 1624781, 1756520, 1844346, 1976085, 2151737, 2459128, 2634780, 2766519, 3073910, 3161736, 3249562, 3688692, 3952170, 4303474, 4610865, 4874343, 5269560, 5533038, 6147820, 6455211, 6499124, 7377384, 7904340, 8123905, 8606948, 9221730, 9748686, 10758685, 11066076, 11373467, 12295640, 12910422, 12998248, 13832595, 14623029, 15808680, 16247810, 17213896, 18443460, 19365633, 19497372, 21517370, 22132152, 22746934, 24371715, 25820844, 27665190, 29246058, 32276055, 32495620, 34120401, 36886920, 38731266, 38994744, 43034740, 45493868, 48743430, 51641688, 55330380, 56867335, 58492116, 64552110, 64991240, 68240802, 73115145, 77462532, 79614269, 86069480, 90987736, 96828165, 97486860, 102361203, 110660760, 113734670, 116984232, 129104220, 136481604, 146230290, 154925064, 159228538, 170602005, 193656330, 194973720, 204722406, 227469340, 238842807, 258208440, 272963208, 292460580, 318457076, 341204010, 387312660, 398071345, 409444812, 454938680, 477685614, 511806015, 584921160, 636914152, 682408020, 716528421, 774625320, 796142690, 818889624, 955371228, 1023612030, 1194214035, 1364816040, 1433056842, 1592285380, 1910742456, 2047224060, 2388428070, 2866113684, 3184570760, 3582642105, 4094448120, 4776856140, 5732227368, 7165284210, 9553712280, 14330568420, 28661136840]

約数ペア:

[(1, 28661136840), (2, 14330568420), (3, 9553712280), (4, 7165284210), (5, 5732227368), (6, 4776856140), (7, 4094448120), (8, 3582642105), (9, 3184570760), (10, 2866113684), (12, 2388428070), (14, 2047224060), (15, 1910742456), (18, 1592285380), (20, 1433056842), (21, 1364816040), (24, 1194214035), (28, 1023612030), (30, 955371228), (35, 818889624), (36, 796142690), (37, 774625320), (40, 716528421), (42, 682408020), (45, 636914152), (49, 584921160), (56, 511806015), (60, 477685614), (63, 454938680), (70, 409444812), (72, 398071345), (74, 387312660), (84, 341204010), (90, 318457076), (98, 292460580), (105, 272963208), (111, 258208440), (120, 238842807), (126, 227469340), (140, 204722406), (147, 194973720), (148, 193656330), (168, 170602005), (180, 159228538), (185, 154925064), (196, 146230290), (210, 136481604), (222, 129104220), (245, 116984232), (252, 113734670), (259, 110660760), (280, 102361203), (294, 97486860), (296, 96828165), (315, 90987736), (333, 86069480), (360, 79614269), (370, 77462532), (392, 73115145), (420, 68240802), (441, 64991240), (444, 64552110), (490, 58492116), (504, 56867335), (518, 55330380), (555, 51641688), (588, 48743430), (630, 45493868), (666, 43034740), (735, 38994744), (740, 38731266), (777, 36886920), (840, 34120401), (882, 32495620), (888, 32276055), (980, 29246058), (1036, 27665190), (1110, 25820844), (1176, 24371715), (1260, 22746934), (1295, 22132152), (1332, 21517370), (1470, 19497372), (1480, 19365633), (1554, 18443460), (1665, 17213896), (1764, 16247810), (1813, 15808680), (1960, 14623029), (2072, 13832595), (2205, 12998248), (2220, 12910422), (2331, 12295640), (2520, 11373467), (2590, 11066076), (2664, 10758685), (2940, 9748686), (3108, 9221730), (3330, 8606948), (3528, 8123905), (3626, 7904340), (3885, 7377384), (4410, 6499124), (4440, 6455211), (4662, 6147820), (5180, 5533038), (5439, 5269560), (5880, 4874343), (6216, 4610865), (6660, 4303474), (7252, 3952170), (7770, 3688692), (8820, 3249562), (9065, 3161736), (9324, 3073910), (10360, 2766519), (10878, 2634780), (11655, 2459128), (13320, 2151737), (14504, 1976085), (15540, 1844346), (16317, 1756520), (17640, 1624781), (18130, 1580868), (18648, 1536955), (21756, 1317390), (23310, 1229564), (27195, 1053912), (31080, 922173), (32634, 878260), (36260, 790434), (43512, 658695), (43913, 652680), (46620, 614782), (54390, 526956), (65268, 439130), (72520, 395217), (81585, 351304), (87826, 326340), (93240, 307391), (108780, 263478), (130536, 219565), (131739, 217560), (163170, 175652)]