31978050

素因数分解:

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

素因数の和:105

約数の個数: 144

約数和(自身を含む): 92160768

約数和(自身を除く): 60182718

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 31, 39, 46, 50, 62, 65, 69, 75, 78, 93, 115, 130, 138, 150, 155, 186, 195, 230, 299, 310, 325, 345, 390, 403, 465, 529, 575, 598, 650, 690, 713, 775, 806, 897, 930, 975, 1058, 1150, 1209, 1426, 1495, 1550, 1587, 1725, 1794, 1950, 2015, 2139, 2325, 2418, 2645, 2990, 3174, 3450, 3565, 4030, 4278, 4485, 4650, 5290, 6045, 6877, 7130, 7475, 7935, 8970, 9269, 10075, 10695, 12090, 13225, 13754, 14950, 15870, 16399, 17825, 18538, 20150, 20631, 21390, 22425, 26450, 27807, 30225, 32798, 34385, 35650, 39675, 41262, 44850, 46345, 49197, 53475, 55614, 60450, 68770, 79350, 81995, 92690, 98394, 103155, 106950, 139035, 163990, 171925, 206310, 213187, 231725, 245985, 278070, 343850, 409975, 426374, 463450, 491970, 515775, 639561, 695175, 819950, 1031550, 1065935, 1229925, 1279122, 1390350, 2131870, 2459850, 3197805, 5329675, 6395610, 10659350, 15989025, 31978050]

約数ペア:

[(1, 31978050), (2, 15989025), (3, 10659350), (5, 6395610), (6, 5329675), (10, 3197805), (13, 2459850), (15, 2131870), (23, 1390350), (25, 1279122), (26, 1229925), (30, 1065935), (31, 1031550), (39, 819950), (46, 695175), (50, 639561), (62, 515775), (65, 491970), (69, 463450), (75, 426374), (78, 409975), (93, 343850), (115, 278070), (130, 245985), (138, 231725), (150, 213187), (155, 206310), (186, 171925), (195, 163990), (230, 139035), (299, 106950), (310, 103155), (325, 98394), (345, 92690), (390, 81995), (403, 79350), (465, 68770), (529, 60450), (575, 55614), (598, 53475), (650, 49197), (690, 46345), (713, 44850), (775, 41262), (806, 39675), (897, 35650), (930, 34385), (975, 32798), (1058, 30225), (1150, 27807), (1209, 26450), (1426, 22425), (1495, 21390), (1550, 20631), (1587, 20150), (1725, 18538), (1794, 17825), (1950, 16399), (2015, 15870), (2139, 14950), (2325, 13754), (2418, 13225), (2645, 12090), (2990, 10695), (3174, 10075), (3450, 9269), (3565, 8970), (4030, 7935), (4278, 7475), (4485, 7130), (4650, 6877), (5290, 6045)]