287923560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2747

約数の個数: 128

約数和(自身を含む): 932186880

約数和(自身を除く): 644263320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 255, 265, 318, 340, 408, 424, 510, 530, 636, 680, 795, 901, 1020, 1060, 1272, 1590, 1802, 2040, 2120, 2663, 2703, 3180, 3604, 4505, 5326, 5406, 6360, 7208, 7989, 9010, 10652, 10812, 13315, 13515, 15978, 18020, 21304, 21624, 26630, 27030, 31956, 36040, 39945, 45271, 53260, 54060, 63912, 79890, 90542, 106520, 108120, 135813, 141139, 159780, 181084, 226355, 271626, 282278, 319560, 362168, 423417, 452710, 543252, 564556, 679065, 705695, 846834, 905420, 1086504, 1129112, 1358130, 1411390, 1693668, 1810840, 2117085, 2399363, 2716260, 2822780, 3387336, 4234170, 4798726, 5432520, 5645560, 7198089, 8468340, 9597452, 11996815, 14396178, 16936680, 19194904, 23993630, 28792356, 35990445, 47987260, 57584712, 71980890, 95974520, 143961780, 287923560]

約数ペア:

[(1, 287923560), (2, 143961780), (3, 95974520), (4, 71980890), (5, 57584712), (6, 47987260), (8, 35990445), (10, 28792356), (12, 23993630), (15, 19194904), (17, 16936680), (20, 14396178), (24, 11996815), (30, 9597452), (34, 8468340), (40, 7198089), (51, 5645560), (53, 5432520), (60, 4798726), (68, 4234170), (85, 3387336), (102, 2822780), (106, 2716260), (120, 2399363), (136, 2117085), (159, 1810840), (170, 1693668), (204, 1411390), (212, 1358130), (255, 1129112), (265, 1086504), (318, 905420), (340, 846834), (408, 705695), (424, 679065), (510, 564556), (530, 543252), (636, 452710), (680, 423417), (795, 362168), (901, 319560), (1020, 282278), (1060, 271626), (1272, 226355), (1590, 181084), (1802, 159780), (2040, 141139), (2120, 135813), (2663, 108120), (2703, 106520), (3180, 90542), (3604, 79890), (4505, 63912), (5326, 54060), (5406, 53260), (6360, 45271), (7208, 39945), (7989, 36040), (9010, 31956), (10652, 27030), (10812, 26630), (13315, 21624), (13515, 21304), (15978, 18020)]