87638850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 258358464

約数和(自身を除く): 170719614

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 71, 75, 78, 90, 117, 130, 142, 150, 195, 211, 213, 225, 234, 325, 355, 390, 422, 426, 450, 585, 633, 639, 650, 710, 923, 975, 1055, 1065, 1170, 1266, 1278, 1775, 1846, 1899, 1950, 2110, 2130, 2743, 2769, 2925, 3165, 3195, 3550, 3798, 4615, 5275, 5325, 5486, 5538, 5850, 6330, 6390, 8229, 8307, 9230, 9495, 10550, 10650, 13715, 13845, 14981, 15825, 15975, 16458, 16614, 18990, 23075, 24687, 27430, 27690, 29962, 31650, 31950, 41145, 41535, 44943, 46150, 47475, 49374, 68575, 69225, 74905, 82290, 83070, 89886, 94950, 123435, 134829, 137150, 138450, 149810, 194753, 205725, 207675, 224715, 246870, 269658, 374525, 389506, 411450, 415350, 449430, 584259, 617175, 674145, 749050, 973765, 1123575, 1168518, 1234350, 1348290, 1752777, 1947530, 2247150, 2921295, 3370725, 3505554, 4868825, 5842590, 6741450, 8763885, 9737650, 14606475, 17527770, 29212950, 43819425, 87638850]

約数ペア:

[(1, 87638850), (2, 43819425), (3, 29212950), (5, 17527770), (6, 14606475), (9, 9737650), (10, 8763885), (13, 6741450), (15, 5842590), (18, 4868825), (25, 3505554), (26, 3370725), (30, 2921295), (39, 2247150), (45, 1947530), (50, 1752777), (65, 1348290), (71, 1234350), (75, 1168518), (78, 1123575), (90, 973765), (117, 749050), (130, 674145), (142, 617175), (150, 584259), (195, 449430), (211, 415350), (213, 411450), (225, 389506), (234, 374525), (325, 269658), (355, 246870), (390, 224715), (422, 207675), (426, 205725), (450, 194753), (585, 149810), (633, 138450), (639, 137150), (650, 134829), (710, 123435), (923, 94950), (975, 89886), (1055, 83070), (1065, 82290), (1170, 74905), (1266, 69225), (1278, 68575), (1775, 49374), (1846, 47475), (1899, 46150), (1950, 44943), (2110, 41535), (2130, 41145), (2743, 31950), (2769, 31650), (2925, 29962), (3165, 27690), (3195, 27430), (3550, 24687), (3798, 23075), (4615, 18990), (5275, 16614), (5325, 16458), (5486, 15975), (5538, 15825), (5850, 14981), (6330, 13845), (6390, 13715), (8229, 10650), (8307, 10550), (9230, 9495)]