142122120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2475

約数の個数: 128

約数和(自身を含む): 494346240

約数和(自身を除く): 352224120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2383, 2485, 2840, 2982, 3976, 4260, 4766, 4970, 5964, 7149, 7455, 8520, 9532, 9940, 11915, 11928, 14298, 14910, 16681, 19064, 19880, 23830, 28596, 29820, 33362, 35745, 47660, 50043, 57192, 59640, 66724, 71490, 83405, 95320, 100086, 133448, 142980, 166810, 169193, 200172, 250215, 285960, 333620, 338386, 400344, 500430, 507579, 667240, 676772, 845965, 1000860, 1015158, 1184351, 1353544, 1691930, 2001720, 2030316, 2368702, 2537895, 3383860, 3553053, 4060632, 4737404, 5075790, 5921755, 6767720, 7106106, 9474808, 10151580, 11843510, 14212212, 17765265, 20303160, 23687020, 28424424, 35530530, 47374040, 71061060, 142122120]

約数ペア:

[(1, 142122120), (2, 71061060), (3, 47374040), (4, 35530530), (5, 28424424), (6, 23687020), (7, 20303160), (8, 17765265), (10, 14212212), (12, 11843510), (14, 10151580), (15, 9474808), (20, 7106106), (21, 6767720), (24, 5921755), (28, 5075790), (30, 4737404), (35, 4060632), (40, 3553053), (42, 3383860), (56, 2537895), (60, 2368702), (70, 2030316), (71, 2001720), (84, 1691930), (105, 1353544), (120, 1184351), (140, 1015158), (142, 1000860), (168, 845965), (210, 676772), (213, 667240), (280, 507579), (284, 500430), (355, 400344), (420, 338386), (426, 333620), (497, 285960), (568, 250215), (710, 200172), (840, 169193), (852, 166810), (994, 142980), (1065, 133448), (1420, 100086), (1491, 95320), (1704, 83405), (1988, 71490), (2130, 66724), (2383, 59640), (2485, 57192), (2840, 50043), (2982, 47660), (3976, 35745), (4260, 33362), (4766, 29820), (4970, 28596), (5964, 23830), (7149, 19880), (7455, 19064), (8520, 16681), (9532, 14910), (9940, 14298), (11915, 11928)]