409366720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1$

素因数の和:1590

約数の個数: 112

約数和(自身を含む): 1123614720

約数和(自身を除く): 714248000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 889, 1016, 1120, 1270, 1439, 1778, 2032, 2240, 2540, 2878, 3556, 4064, 4445, 5080, 5756, 7112, 7195, 8128, 8890, 10073, 10160, 11512, 14224, 14390, 17780, 20146, 20320, 23024, 28448, 28780, 35560, 40292, 40640, 46048, 50365, 56896, 57560, 71120, 80584, 92096, 100730, 115120, 142240, 161168, 182753, 201460, 230240, 284480, 322336, 365506, 402920, 460480, 644672, 731012, 805840, 913765, 1279271, 1462024, 1611680, 1827530, 2558542, 2924048, 3223360, 3655060, 5117084, 5848096, 6396355, 7310120, 10234168, 11696192, 12792710, 14620240, 20468336, 25585420, 29240480, 40936672, 51170840, 58480960, 81873344, 102341680, 204683360, 409366720]

約数ペア:

[(1, 409366720), (2, 204683360), (4, 102341680), (5, 81873344), (7, 58480960), (8, 51170840), (10, 40936672), (14, 29240480), (16, 25585420), (20, 20468336), (28, 14620240), (32, 12792710), (35, 11696192), (40, 10234168), (56, 7310120), (64, 6396355), (70, 5848096), (80, 5117084), (112, 3655060), (127, 3223360), (140, 2924048), (160, 2558542), (224, 1827530), (254, 1611680), (280, 1462024), (320, 1279271), (448, 913765), (508, 805840), (560, 731012), (635, 644672), (889, 460480), (1016, 402920), (1120, 365506), (1270, 322336), (1439, 284480), (1778, 230240), (2032, 201460), (2240, 182753), (2540, 161168), (2878, 142240), (3556, 115120), (4064, 100730), (4445, 92096), (5080, 80584), (5756, 71120), (7112, 57560), (7195, 56896), (8128, 50365), (8890, 46048), (10073, 40640), (10160, 40292), (11512, 35560), (14224, 28780), (14390, 28448), (17780, 23024), (20146, 20320)]