258802440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7213}}^1$

素因数の和:7263

約数の個数: 128

約数和(自身を含む): 872605440

約数和(自身を除く): 613803000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 7213, 8970, 11960, 14426, 17940, 21639, 28852, 35880, 36065, 43278, 57704, 72130, 86556, 93769, 108195, 144260, 165899, 173112, 187538, 216390, 281307, 288520, 331798, 375076, 432780, 468845, 497697, 562614, 663596, 750152, 829495, 865560, 937690, 995394, 1125228, 1327192, 1406535, 1658990, 1875380, 1990788, 2156687, 2250456, 2488485, 2813070, 3317980, 3750760, 3981576, 4313374, 4976970, 5626140, 6470061, 6635960, 8626748, 9953940, 10783435, 11252280, 12940122, 17253496, 19907880, 21566870, 25880244, 32350305, 43133740, 51760488, 64700610, 86267480, 129401220, 258802440]

約数ペア:

[(1, 258802440), (2, 129401220), (3, 86267480), (4, 64700610), (5, 51760488), (6, 43133740), (8, 32350305), (10, 25880244), (12, 21566870), (13, 19907880), (15, 17253496), (20, 12940122), (23, 11252280), (24, 10783435), (26, 9953940), (30, 8626748), (39, 6635960), (40, 6470061), (46, 5626140), (52, 4976970), (60, 4313374), (65, 3981576), (69, 3750760), (78, 3317980), (92, 2813070), (104, 2488485), (115, 2250456), (120, 2156687), (130, 1990788), (138, 1875380), (156, 1658990), (184, 1406535), (195, 1327192), (230, 1125228), (260, 995394), (276, 937690), (299, 865560), (312, 829495), (345, 750152), (390, 663596), (460, 562614), (520, 497697), (552, 468845), (598, 432780), (690, 375076), (780, 331798), (897, 288520), (920, 281307), (1196, 216390), (1380, 187538), (1495, 173112), (1560, 165899), (1794, 144260), (2392, 108195), (2760, 93769), (2990, 86556), (3588, 72130), (4485, 57704), (5980, 43278), (7176, 36065), (7213, 35880), (8970, 28852), (11960, 21639), (14426, 17940)]