278629320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1975

約数の個数: 128

約数和(自身を含む): 897661440

約数和(自身を除く): 619032120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 584, 680, 730, 876, 1020, 1095, 1241, 1460, 1752, 1871, 2040, 2190, 2482, 2920, 3723, 3742, 4380, 4964, 5613, 6205, 7446, 7484, 8760, 9355, 9928, 11226, 12410, 14892, 14968, 18615, 18710, 22452, 24820, 28065, 29784, 31807, 37230, 37420, 44904, 49640, 56130, 63614, 74460, 74840, 95421, 112260, 127228, 136583, 148920, 159035, 190842, 224520, 254456, 273166, 318070, 381684, 409749, 477105, 546332, 636140, 682915, 763368, 819498, 954210, 1092664, 1272280, 1365830, 1638996, 1908420, 2048745, 2321911, 2731660, 3277992, 3816840, 4097490, 4643822, 5463320, 6965733, 8194980, 9287644, 11609555, 13931466, 16389960, 18575288, 23219110, 27862932, 34828665, 46438220, 55725864, 69657330, 92876440, 139314660, 278629320]

約数ペア:

[(1, 278629320), (2, 139314660), (3, 92876440), (4, 69657330), (5, 55725864), (6, 46438220), (8, 34828665), (10, 27862932), (12, 23219110), (15, 18575288), (17, 16389960), (20, 13931466), (24, 11609555), (30, 9287644), (34, 8194980), (40, 6965733), (51, 5463320), (60, 4643822), (68, 4097490), (73, 3816840), (85, 3277992), (102, 2731660), (120, 2321911), (136, 2048745), (146, 1908420), (170, 1638996), (204, 1365830), (219, 1272280), (255, 1092664), (292, 954210), (340, 819498), (365, 763368), (408, 682915), (438, 636140), (510, 546332), (584, 477105), (680, 409749), (730, 381684), (876, 318070), (1020, 273166), (1095, 254456), (1241, 224520), (1460, 190842), (1752, 159035), (1871, 148920), (2040, 136583), (2190, 127228), (2482, 112260), (2920, 95421), (3723, 74840), (3742, 74460), (4380, 63614), (4964, 56130), (5613, 49640), (6205, 44904), (7446, 37420), (7484, 37230), (8760, 31807), (9355, 29784), (9928, 28065), (11226, 24820), (12410, 22452), (14892, 18710), (14968, 18615)]