18927720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 288

約数和(自身を含む): 76026600

約数和(自身を除く): 57098880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 37, 40, 42, 45, 49, 56, 58, 60, 63, 70, 72, 74, 84, 87, 90, 98, 105, 111, 116, 120, 126, 140, 145, 147, 148, 168, 174, 180, 185, 196, 203, 210, 222, 232, 245, 252, 259, 261, 280, 290, 294, 296, 315, 333, 348, 360, 370, 392, 406, 420, 435, 441, 444, 490, 504, 518, 522, 555, 580, 588, 609, 630, 666, 696, 735, 740, 777, 812, 840, 870, 882, 888, 980, 1015, 1036, 1044, 1073, 1110, 1160, 1176, 1218, 1260, 1295, 1305, 1332, 1421, 1470, 1480, 1554, 1624, 1665, 1740, 1764, 1813, 1827, 1960, 2030, 2072, 2088, 2146, 2205, 2220, 2331, 2436, 2520, 2590, 2610, 2664, 2842, 2940, 3045, 3108, 3219, 3330, 3480, 3528, 3626, 3654, 3885, 4060, 4263, 4292, 4410, 4440, 4662, 4872, 5180, 5220, 5365, 5439, 5684, 5880, 6090, 6216, 6438, 6660, 7105, 7252, 7308, 7511, 7770, 8120, 8526, 8584, 8820, 9065, 9135, 9324, 9657, 10360, 10440, 10730, 10878, 11368, 11655, 12180, 12789, 12876, 13320, 14210, 14504, 14616, 15022, 15540, 16095, 16317, 17052, 17640, 18130, 18270, 18648, 19314, 21315, 21460, 21756, 22533, 23310, 24360, 25578, 25752, 27195, 28420, 30044, 31080, 32190, 32634, 34104, 36260, 36540, 37555, 38628, 42630, 42920, 43512, 45066, 46620, 48285, 51156, 52577, 54390, 56840, 60088, 63945, 64380, 65268, 67599, 72520, 73080, 75110, 77256, 81585, 85260, 90132, 93240, 96570, 102312, 105154, 108780, 112665, 127890, 128760, 130536, 135198, 150220, 157731, 163170, 170520, 180264, 193140, 210308, 217560, 225330, 255780, 262885, 270396, 300440, 315462, 326340, 337995, 386280, 420616, 450660, 473193, 511560, 525770, 540792, 630924, 652680, 675990, 788655, 901320, 946386, 1051540, 1261848, 1351980, 1577310, 1892772, 2103080, 2365965, 2703960, 3154620, 3785544, 4731930, 6309240, 9463860, 18927720]

約数ペア:

[(1, 18927720), (2, 9463860), (3, 6309240), (4, 4731930), (5, 3785544), (6, 3154620), (7, 2703960), (8, 2365965), (9, 2103080), (10, 1892772), (12, 1577310), (14, 1351980), (15, 1261848), (18, 1051540), (20, 946386), (21, 901320), (24, 788655), (28, 675990), (29, 652680), (30, 630924), (35, 540792), (36, 525770), (37, 511560), (40, 473193), (42, 450660), (45, 420616), (49, 386280), (56, 337995), (58, 326340), (60, 315462), (63, 300440), (70, 270396), (72, 262885), (74, 255780), (84, 225330), (87, 217560), (90, 210308), (98, 193140), (105, 180264), (111, 170520), (116, 163170), (120, 157731), (126, 150220), (140, 135198), (145, 130536), (147, 128760), (148, 127890), (168, 112665), (174, 108780), (180, 105154), (185, 102312), (196, 96570), (203, 93240), (210, 90132), (222, 85260), (232, 81585), (245, 77256), (252, 75110), (259, 73080), (261, 72520), (280, 67599), (290, 65268), (294, 64380), (296, 63945), (315, 60088), (333, 56840), (348, 54390), (360, 52577), (370, 51156), (392, 48285), (406, 46620), (420, 45066), (435, 43512), (441, 42920), (444, 42630), (490, 38628), (504, 37555), (518, 36540), (522, 36260), (555, 34104), (580, 32634), (588, 32190), (609, 31080), (630, 30044), (666, 28420), (696, 27195), (735, 25752), (740, 25578), (777, 24360), (812, 23310), (840, 22533), (870, 21756), (882, 21460), (888, 21315), (980, 19314), (1015, 18648), (1036, 18270), (1044, 18130), (1073, 17640), (1110, 17052), (1160, 16317), (1176, 16095), (1218, 15540), (1260, 15022), (1295, 14616), (1305, 14504), (1332, 14210), (1421, 13320), (1470, 12876), (1480, 12789), (1554, 12180), (1624, 11655), (1665, 11368), (1740, 10878), (1764, 10730), (1813, 10440), (1827, 10360), (1960, 9657), (2030, 9324), (2072, 9135), (2088, 9065), (2146, 8820), (2205, 8584), (2220, 8526), (2331, 8120), (2436, 7770), (2520, 7511), (2590, 7308), (2610, 7252), (2664, 7105), (2842, 6660), (2940, 6438), (3045, 6216), (3108, 6090), (3219, 5880), (3330, 5684), (3480, 5439), (3528, 5365), (3626, 5220), (3654, 5180), (3885, 4872), (4060, 4662), (4263, 4440), (4292, 4410)]