66043640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 175633920

約数和(自身を除く): 109590280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 241, 248, 260, 310, 340, 403, 442, 482, 520, 527, 620, 680, 806, 884, 964, 1054, 1105, 1205, 1240, 1612, 1768, 1928, 2015, 2108, 2210, 2410, 2635, 3133, 3224, 4030, 4097, 4216, 4420, 4820, 5270, 6266, 6851, 7471, 8060, 8194, 8840, 9640, 10540, 12532, 13702, 14942, 15665, 16120, 16388, 20485, 21080, 25064, 27404, 29884, 31330, 32776, 34255, 37355, 40970, 53261, 54808, 59768, 62660, 68510, 74710, 81940, 97123, 106522, 125320, 127007, 137020, 149420, 163880, 194246, 213044, 254014, 266305, 274040, 298840, 388492, 426088, 485615, 508028, 532610, 635035, 776984, 971230, 1016056, 1065220, 1270070, 1651091, 1942460, 2130440, 2540140, 3302182, 3884920, 5080280, 6604364, 8255455, 13208728, 16510910, 33021820, 66043640]

約数ペア:

[(1, 66043640), (2, 33021820), (4, 16510910), (5, 13208728), (8, 8255455), (10, 6604364), (13, 5080280), (17, 3884920), (20, 3302182), (26, 2540140), (31, 2130440), (34, 1942460), (40, 1651091), (52, 1270070), (62, 1065220), (65, 1016056), (68, 971230), (85, 776984), (104, 635035), (124, 532610), (130, 508028), (136, 485615), (155, 426088), (170, 388492), (221, 298840), (241, 274040), (248, 266305), (260, 254014), (310, 213044), (340, 194246), (403, 163880), (442, 149420), (482, 137020), (520, 127007), (527, 125320), (620, 106522), (680, 97123), (806, 81940), (884, 74710), (964, 68510), (1054, 62660), (1105, 59768), (1205, 54808), (1240, 53261), (1612, 40970), (1768, 37355), (1928, 34255), (2015, 32776), (2108, 31330), (2210, 29884), (2410, 27404), (2635, 25064), (3133, 21080), (3224, 20485), (4030, 16388), (4097, 16120), (4216, 15665), (4420, 14942), (4820, 13702), (5270, 12532), (6266, 10540), (6851, 9640), (7471, 8840), (8060, 8194)]