81383640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4013}}^1$

素因数の和:4053

約数の個数: 96

約数和(自身を含む): 264442320

約数和(自身を除く): 183058680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4013, 4056, 5070, 6760, 8026, 10140, 12039, 16052, 20065, 20280, 24078, 32104, 40130, 48156, 52169, 60195, 80260, 96312, 104338, 120390, 156507, 160520, 208676, 240780, 260845, 313014, 417352, 481560, 521690, 626028, 678197, 782535, 1043380, 1252056, 1356394, 1565070, 2034591, 2086760, 2712788, 3130140, 3390985, 4069182, 5425576, 6260280, 6781970, 8138364, 10172955, 13563940, 16276728, 20345910, 27127880, 40691820, 81383640]

約数ペア:

[(1, 81383640), (2, 40691820), (3, 27127880), (4, 20345910), (5, 16276728), (6, 13563940), (8, 10172955), (10, 8138364), (12, 6781970), (13, 6260280), (15, 5425576), (20, 4069182), (24, 3390985), (26, 3130140), (30, 2712788), (39, 2086760), (40, 2034591), (52, 1565070), (60, 1356394), (65, 1252056), (78, 1043380), (104, 782535), (120, 678197), (130, 626028), (156, 521690), (169, 481560), (195, 417352), (260, 313014), (312, 260845), (338, 240780), (390, 208676), (507, 160520), (520, 156507), (676, 120390), (780, 104338), (845, 96312), (1014, 80260), (1352, 60195), (1560, 52169), (1690, 48156), (2028, 40130), (2535, 32104), (3380, 24078), (4013, 20280), (4056, 20065), (5070, 16052), (6760, 12039), (8026, 10140)]