1295806640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1455

約数の個数: 120

約数和(自身を含む): 3280852512

約数和(自身を除く): 1985045872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 289, 328, 340, 410, 578, 656, 680, 697, 820, 1156, 1360, 1367, 1394, 1445, 1640, 2312, 2734, 2788, 2890, 3280, 3485, 4624, 5468, 5576, 5780, 6835, 6970, 10936, 11152, 11560, 11849, 13670, 13940, 21872, 23120, 23239, 23698, 27340, 27880, 46478, 47396, 54680, 55760, 56047, 59245, 92956, 94792, 109360, 112094, 116195, 118490, 185912, 189584, 224188, 232390, 236980, 280235, 371824, 395063, 448376, 464780, 473960, 560470, 790126, 896752, 929560, 947920, 952799, 1120940, 1580252, 1859120, 1905598, 1975315, 2241880, 3160504, 3811196, 3950630, 4483760, 4763995, 6321008, 7622392, 7901260, 9527990, 15244784, 15802520, 16197583, 19055980, 31605040, 32395166, 38111960, 64790332, 76223920, 80987915, 129580664, 161975830, 259161328, 323951660, 647903320, 1295806640]

約数ペア:

[(1, 1295806640), (2, 647903320), (4, 323951660), (5, 259161328), (8, 161975830), (10, 129580664), (16, 80987915), (17, 76223920), (20, 64790332), (34, 38111960), (40, 32395166), (41, 31605040), (68, 19055980), (80, 16197583), (82, 15802520), (85, 15244784), (136, 9527990), (164, 7901260), (170, 7622392), (205, 6321008), (272, 4763995), (289, 4483760), (328, 3950630), (340, 3811196), (410, 3160504), (578, 2241880), (656, 1975315), (680, 1905598), (697, 1859120), (820, 1580252), (1156, 1120940), (1360, 952799), (1367, 947920), (1394, 929560), (1445, 896752), (1640, 790126), (2312, 560470), (2734, 473960), (2788, 464780), (2890, 448376), (3280, 395063), (3485, 371824), (4624, 280235), (5468, 236980), (5576, 232390), (5780, 224188), (6835, 189584), (6970, 185912), (10936, 118490), (11152, 116195), (11560, 112094), (11849, 109360), (13670, 94792), (13940, 92956), (21872, 59245), (23120, 56047), (23239, 55760), (23698, 54680), (27340, 47396), (27880, 46478)]