121455880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 342478080

約数和(自身を除く): 221022200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 244, 260, 280, 305, 364, 427, 455, 488, 520, 547, 610, 728, 793, 854, 910, 1094, 1220, 1586, 1708, 1820, 2135, 2188, 2440, 2735, 3172, 3416, 3640, 3829, 3965, 4270, 4376, 5470, 5551, 6344, 7111, 7658, 7930, 8540, 10940, 11102, 14222, 15316, 15860, 17080, 19145, 21880, 22204, 27755, 28444, 30632, 31720, 33367, 35555, 38290, 44408, 49777, 55510, 56888, 66734, 71110, 76580, 99554, 111020, 133468, 142220, 153160, 166835, 199108, 222040, 233569, 248885, 266936, 284440, 333670, 398216, 433771, 467138, 497770, 667340, 867542, 934276, 995540, 1167845, 1334680, 1735084, 1868552, 1991080, 2168855, 2335690, 3036397, 3470168, 4337710, 4671380, 6072794, 8675420, 9342760, 12145588, 15181985, 17350840, 24291176, 30363970, 60727940, 121455880]

約数ペア:

[(1, 121455880), (2, 60727940), (4, 30363970), (5, 24291176), (7, 17350840), (8, 15181985), (10, 12145588), (13, 9342760), (14, 8675420), (20, 6072794), (26, 4671380), (28, 4337710), (35, 3470168), (40, 3036397), (52, 2335690), (56, 2168855), (61, 1991080), (65, 1868552), (70, 1735084), (91, 1334680), (104, 1167845), (122, 995540), (130, 934276), (140, 867542), (182, 667340), (244, 497770), (260, 467138), (280, 433771), (305, 398216), (364, 333670), (427, 284440), (455, 266936), (488, 248885), (520, 233569), (547, 222040), (610, 199108), (728, 166835), (793, 153160), (854, 142220), (910, 133468), (1094, 111020), (1220, 99554), (1586, 76580), (1708, 71110), (1820, 66734), (2135, 56888), (2188, 55510), (2440, 49777), (2735, 44408), (3172, 38290), (3416, 35555), (3640, 33367), (3829, 31720), (3965, 30632), (4270, 28444), (4376, 27755), (5470, 22204), (5551, 21880), (6344, 19145), (7111, 17080), (7658, 15860), (7930, 15316), (8540, 14222), (10940, 11102)]