12791220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 41620992

約数和(自身を除く): 28829772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 31, 39, 46, 52, 60, 62, 65, 69, 78, 92, 93, 115, 124, 130, 138, 155, 156, 186, 195, 230, 260, 276, 299, 310, 345, 372, 390, 403, 460, 465, 529, 598, 620, 690, 713, 780, 806, 897, 930, 1058, 1196, 1209, 1380, 1426, 1495, 1587, 1612, 1794, 1860, 2015, 2116, 2139, 2418, 2645, 2852, 2990, 3174, 3565, 3588, 4030, 4278, 4485, 4836, 5290, 5980, 6045, 6348, 6877, 7130, 7935, 8060, 8556, 8970, 9269, 10580, 10695, 12090, 13754, 14260, 15870, 16399, 17940, 18538, 20631, 21390, 24180, 27508, 27807, 31740, 32798, 34385, 37076, 41262, 42780, 46345, 49197, 55614, 65596, 68770, 81995, 82524, 92690, 98394, 103155, 111228, 137540, 139035, 163990, 185380, 196788, 206310, 213187, 245985, 278070, 327980, 412620, 426374, 491970, 556140, 639561, 852748, 983940, 1065935, 1279122, 2131870, 2558244, 3197805, 4263740, 6395610, 12791220]

約数ペア:

[(1, 12791220), (2, 6395610), (3, 4263740), (4, 3197805), (5, 2558244), (6, 2131870), (10, 1279122), (12, 1065935), (13, 983940), (15, 852748), (20, 639561), (23, 556140), (26, 491970), (30, 426374), (31, 412620), (39, 327980), (46, 278070), (52, 245985), (60, 213187), (62, 206310), (65, 196788), (69, 185380), (78, 163990), (92, 139035), (93, 137540), (115, 111228), (124, 103155), (130, 98394), (138, 92690), (155, 82524), (156, 81995), (186, 68770), (195, 65596), (230, 55614), (260, 49197), (276, 46345), (299, 42780), (310, 41262), (345, 37076), (372, 34385), (390, 32798), (403, 31740), (460, 27807), (465, 27508), (529, 24180), (598, 21390), (620, 20631), (690, 18538), (713, 17940), (780, 16399), (806, 15870), (897, 14260), (930, 13754), (1058, 12090), (1196, 10695), (1209, 10580), (1380, 9269), (1426, 8970), (1495, 8556), (1587, 8060), (1612, 7935), (1794, 7130), (1860, 6877), (2015, 6348), (2116, 6045), (2139, 5980), (2418, 5290), (2645, 4836), (2852, 4485), (2990, 4278), (3174, 4030), (3565, 3588)]