263260920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4561}}^1$

素因数の和:4625

約数の個数: 128

約数和(自身を含む): 873714240

約数和(自身を除く): 610453320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4561, 4810, 5772, 7215, 9122, 9620, 11544, 13683, 14430, 18244, 19240, 22805, 27366, 28860, 36488, 45610, 54732, 57720, 59293, 68415, 91220, 109464, 118586, 136830, 168757, 177879, 182440, 237172, 273660, 296465, 337514, 355758, 474344, 506271, 547320, 592930, 675028, 711516, 843785, 889395, 1012542, 1185860, 1350056, 1423032, 1687570, 1778790, 2025084, 2193841, 2371720, 2531355, 3375140, 3557580, 4050168, 4387682, 5062710, 6581523, 6750280, 7115160, 8775364, 10125420, 10969205, 13163046, 17550728, 20250840, 21938410, 26326092, 32907615, 43876820, 52652184, 65815230, 87753640, 131630460, 263260920]

約数ペア:

[(1, 263260920), (2, 131630460), (3, 87753640), (4, 65815230), (5, 52652184), (6, 43876820), (8, 32907615), (10, 26326092), (12, 21938410), (13, 20250840), (15, 17550728), (20, 13163046), (24, 10969205), (26, 10125420), (30, 8775364), (37, 7115160), (39, 6750280), (40, 6581523), (52, 5062710), (60, 4387682), (65, 4050168), (74, 3557580), (78, 3375140), (104, 2531355), (111, 2371720), (120, 2193841), (130, 2025084), (148, 1778790), (156, 1687570), (185, 1423032), (195, 1350056), (222, 1185860), (260, 1012542), (296, 889395), (312, 843785), (370, 711516), (390, 675028), (444, 592930), (481, 547320), (520, 506271), (555, 474344), (740, 355758), (780, 337514), (888, 296465), (962, 273660), (1110, 237172), (1443, 182440), (1480, 177879), (1560, 168757), (1924, 136830), (2220, 118586), (2405, 109464), (2886, 91220), (3848, 68415), (4440, 59293), (4561, 57720), (4810, 54732), (5772, 45610), (7215, 36488), (9122, 28860), (9620, 27366), (11544, 22805), (13683, 19240), (14430, 18244)]