766709840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17981}}^1$

素因数の和:18048

約数の個数: 80

約数和(自身を含む): 1966655376

約数和(自身を除く): 1199945536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 17981, 21320, 35962, 42640, 71924, 89905, 143848, 179810, 233753, 287696, 359620, 467506, 719240, 737221, 935012, 1168765, 1438480, 1474442, 1870024, 2337530, 2948884, 3686105, 3740048, 4675060, 5897768, 7372210, 9350120, 9583873, 11795536, 14744420, 18700240, 19167746, 29488840, 38335492, 47919365, 58977680, 76670984, 95838730, 153341968, 191677460, 383354920, 766709840]

約数ペア:

[(1, 766709840), (2, 383354920), (4, 191677460), (5, 153341968), (8, 95838730), (10, 76670984), (13, 58977680), (16, 47919365), (20, 38335492), (26, 29488840), (40, 19167746), (41, 18700240), (52, 14744420), (65, 11795536), (80, 9583873), (82, 9350120), (104, 7372210), (130, 5897768), (164, 4675060), (205, 3740048), (208, 3686105), (260, 2948884), (328, 2337530), (410, 1870024), (520, 1474442), (533, 1438480), (656, 1168765), (820, 935012), (1040, 737221), (1066, 719240), (1640, 467506), (2132, 359620), (2665, 287696), (3280, 233753), (4264, 179810), (5330, 143848), (8528, 89905), (10660, 71924), (17981, 42640), (21320, 35962)]