661164840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1081

約数の個数: 288

約数和(自身を含む): 2569699080

約数和(自身を除く): 1908534240

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, 1013, 1036, 1110, 1176, 1260, 1295, 1332, 1470, 1480, 1554, 1665, 1764, 1813, 1960, 2026, 2072, 2205, 2220, 2331, 2520, 2590, 2664, 2940, 3039, 3108, 3330, 3528, 3626, 3885, 4052, 4410, 4440, 4662, 5065, 5180, 5439, 5880, 6078, 6216, 6660, 7091, 7252, 7770, 8104, 8820, 9065, 9117, 9324, 10130, 10360, 10878, 11655, 12156, 13320, 14182, 14504, 15195, 15540, 16317, 17640, 18130, 18234, 18648, 20260, 21273, 21756, 23310, 24312, 27195, 28364, 30390, 31080, 32634, 35455, 36260, 36468, 37481, 40520, 42546, 43512, 45585, 46620, 49637, 54390, 56728, 60780, 63819, 65268, 70910, 72520, 72936, 74962, 81585, 85092, 91170, 93240, 99274, 106365, 108780, 112443, 121560, 127638, 130536, 141820, 148911, 149924, 163170, 170184, 182340, 187405, 198548, 212730, 217560, 224886, 248185, 255276, 262367, 283640, 297822, 299848, 319095, 326340, 337329, 364680, 374810, 397096, 425460, 446733, 449772, 496370, 510552, 524734, 562215, 595644, 638190, 652680, 674658, 744555, 749620, 787101, 850920, 893466, 899544, 992740, 1049468, 1124430, 1191288, 1276380, 1311835, 1349316, 1489110, 1499240, 1574202, 1686645, 1786932, 1836569, 1985480, 2098936, 2233665, 2248860, 2361303, 2552760, 2623670, 2698632, 2978220, 3148404, 3373290, 3573864, 3673138, 3935505, 4467330, 4497720, 4722606, 5247340, 5509707, 5956440, 6296808, 6746580, 7346276, 7871010, 8934660, 9182845, 9445212, 10494680, 11019414, 11806515, 13493160, 14692552, 15742020, 16529121, 17869320, 18365690, 18890424, 22038828, 23613030, 27548535, 31484040, 33058242, 36731380, 44077656, 47226060, 55097070, 66116484, 73462760, 82645605, 94452120, 110194140, 132232968, 165291210, 220388280, 330582420, 661164840]

約数ペア:

[(1, 661164840), (2, 330582420), (3, 220388280), (4, 165291210), (5, 132232968), (6, 110194140), (7, 94452120), (8, 82645605), (9, 73462760), (10, 66116484), (12, 55097070), (14, 47226060), (15, 44077656), (18, 36731380), (20, 33058242), (21, 31484040), (24, 27548535), (28, 23613030), (30, 22038828), (35, 18890424), (36, 18365690), (37, 17869320), (40, 16529121), (42, 15742020), (45, 14692552), (49, 13493160), (56, 11806515), (60, 11019414), (63, 10494680), (70, 9445212), (72, 9182845), (74, 8934660), (84, 7871010), (90, 7346276), (98, 6746580), (105, 6296808), (111, 5956440), (120, 5509707), (126, 5247340), (140, 4722606), (147, 4497720), (148, 4467330), (168, 3935505), (180, 3673138), (185, 3573864), (196, 3373290), (210, 3148404), (222, 2978220), (245, 2698632), (252, 2623670), (259, 2552760), (280, 2361303), (294, 2248860), (296, 2233665), (315, 2098936), (333, 1985480), (360, 1836569), (370, 1786932), (392, 1686645), (420, 1574202), (441, 1499240), (444, 1489110), (490, 1349316), (504, 1311835), (518, 1276380), (555, 1191288), (588, 1124430), (630, 1049468), (666, 992740), (735, 899544), (740, 893466), (777, 850920), (840, 787101), (882, 749620), (888, 744555), (980, 674658), (1013, 652680), (1036, 638190), (1110, 595644), (1176, 562215), (1260, 524734), (1295, 510552), (1332, 496370), (1470, 449772), (1480, 446733), (1554, 425460), (1665, 397096), (1764, 374810), (1813, 364680), (1960, 337329), (2026, 326340), (2072, 319095), (2205, 299848), (2220, 297822), (2331, 283640), (2520, 262367), (2590, 255276), (2664, 248185), (2940, 224886), (3039, 217560), (3108, 212730), (3330, 198548), (3528, 187405), (3626, 182340), (3885, 170184), (4052, 163170), (4410, 149924), (4440, 148911), (4662, 141820), (5065, 130536), (5180, 127638), (5439, 121560), (5880, 112443), (6078, 108780), (6216, 106365), (6660, 99274), (7091, 93240), (7252, 91170), (7770, 85092), (8104, 81585), (8820, 74962), (9065, 72936), (9117, 72520), (9324, 70910), (10130, 65268), (10360, 63819), (10878, 60780), (11655, 56728), (12156, 54390), (13320, 49637), (14182, 46620), (14504, 45585), (15195, 43512), (15540, 42546), (16317, 40520), (17640, 37481), (18130, 36468), (18234, 36260), (18648, 35455), (20260, 32634), (21273, 31080), (21756, 30390), (23310, 28364), (24312, 27195)]