81644940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 292795776

約数和(自身を除く): 211150836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 37, 39, 41, 45, 46, 52, 60, 65, 69, 74, 78, 82, 90, 92, 111, 115, 117, 123, 130, 138, 148, 156, 164, 180, 185, 195, 205, 207, 222, 230, 234, 246, 260, 276, 299, 333, 345, 369, 370, 390, 410, 414, 444, 460, 468, 481, 492, 533, 555, 585, 598, 615, 666, 690, 738, 740, 780, 820, 828, 851, 897, 943, 962, 1035, 1066, 1110, 1170, 1196, 1230, 1332, 1380, 1443, 1476, 1495, 1517, 1599, 1665, 1702, 1794, 1845, 1886, 1924, 2070, 2132, 2220, 2340, 2405, 2460, 2553, 2665, 2691, 2829, 2886, 2990, 3034, 3198, 3330, 3404, 3588, 3690, 3772, 4140, 4255, 4329, 4485, 4551, 4715, 4797, 4810, 5106, 5330, 5382, 5658, 5772, 5980, 6068, 6396, 6660, 7215, 7380, 7585, 7659, 7995, 8487, 8510, 8658, 8970, 9102, 9430, 9594, 9620, 10212, 10660, 10764, 11063, 11316, 12259, 12765, 13455, 13653, 14145, 14430, 15170, 15318, 15990, 16974, 17020, 17316, 17940, 18204, 18860, 19188, 19721, 21645, 22126, 22755, 23985, 24518, 25530, 26910, 27306, 28290, 28860, 30340, 30636, 31980, 33189, 33948, 34891, 36777, 38295, 39442, 42435, 43290, 44252, 45510, 47970, 49036, 51060, 53820, 54612, 55315, 56580, 59163, 61295, 66378, 68265, 69782, 73554, 76590, 78884, 84870, 86580, 91020, 95940, 98605, 99567, 104673, 110331, 110630, 118326, 122590, 132756, 136530, 139564, 147108, 153180, 165945, 169740, 174455, 177489, 183885, 197210, 199134, 209346, 220662, 221260, 236652, 245180, 273060, 295815, 314019, 331890, 348910, 354978, 367770, 394420, 398268, 418692, 441324, 453583, 497835, 523365, 551655, 591630, 628038, 663780, 697820, 709956, 735540, 887445, 907166, 995670, 1046730, 1103310, 1183260, 1256076, 1360749, 1570095, 1774890, 1814332, 1991340, 2093460, 2206620, 2267915, 2721498, 3140190, 3549780, 4082247, 4535830, 5442996, 6280380, 6803745, 8164494, 9071660, 13607490, 16328988, 20411235, 27214980, 40822470, 81644940]

約数ペア:

[(1, 81644940), (2, 40822470), (3, 27214980), (4, 20411235), (5, 16328988), (6, 13607490), (9, 9071660), (10, 8164494), (12, 6803745), (13, 6280380), (15, 5442996), (18, 4535830), (20, 4082247), (23, 3549780), (26, 3140190), (30, 2721498), (36, 2267915), (37, 2206620), (39, 2093460), (41, 1991340), (45, 1814332), (46, 1774890), (52, 1570095), (60, 1360749), (65, 1256076), (69, 1183260), (74, 1103310), (78, 1046730), (82, 995670), (90, 907166), (92, 887445), (111, 735540), (115, 709956), (117, 697820), (123, 663780), (130, 628038), (138, 591630), (148, 551655), (156, 523365), (164, 497835), (180, 453583), (185, 441324), (195, 418692), (205, 398268), (207, 394420), (222, 367770), (230, 354978), (234, 348910), (246, 331890), (260, 314019), (276, 295815), (299, 273060), (333, 245180), (345, 236652), (369, 221260), (370, 220662), (390, 209346), (410, 199134), (414, 197210), (444, 183885), (460, 177489), (468, 174455), (481, 169740), (492, 165945), (533, 153180), (555, 147108), (585, 139564), (598, 136530), (615, 132756), (666, 122590), (690, 118326), (738, 110630), (740, 110331), (780, 104673), (820, 99567), (828, 98605), (851, 95940), (897, 91020), (943, 86580), (962, 84870), (1035, 78884), (1066, 76590), (1110, 73554), (1170, 69782), (1196, 68265), (1230, 66378), (1332, 61295), (1380, 59163), (1443, 56580), (1476, 55315), (1495, 54612), (1517, 53820), (1599, 51060), (1665, 49036), (1702, 47970), (1794, 45510), (1845, 44252), (1886, 43290), (1924, 42435), (2070, 39442), (2132, 38295), (2220, 36777), (2340, 34891), (2405, 33948), (2460, 33189), (2553, 31980), (2665, 30636), (2691, 30340), (2829, 28860), (2886, 28290), (2990, 27306), (3034, 26910), (3198, 25530), (3330, 24518), (3404, 23985), (3588, 22755), (3690, 22126), (3772, 21645), (4140, 19721), (4255, 19188), (4329, 18860), (4485, 18204), (4551, 17940), (4715, 17316), (4797, 17020), (4810, 16974), (5106, 15990), (5330, 15318), (5382, 15170), (5658, 14430), (5772, 14145), (5980, 13653), (6068, 13455), (6396, 12765), (6660, 12259), (7215, 11316), (7380, 11063), (7585, 10764), (7659, 10660), (7995, 10212), (8487, 9620), (8510, 9594), (8658, 9430), (8970, 9102)]