248086020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6530

約数の個数: 144

約数和(自身を含む): 870343488

約数和(自身を除く): 622257468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 6491, 7644, 9555, 12740, 12982, 19110, 19473, 25964, 32455, 38220, 38946, 45437, 64910, 77892, 84383, 90874, 97365, 129820, 136311, 168766, 181748, 194730, 227185, 253149, 272622, 318059, 337532, 389460, 421915, 454370, 506298, 545244, 590681, 636118, 681555, 843830, 908740, 954177, 1012596, 1181362, 1265745, 1272236, 1363110, 1590295, 1687660, 1772043, 1908354, 2362724, 2531490, 2726220, 2953405, 3180590, 3544086, 3816708, 4134767, 4770885, 5062980, 5906810, 6361180, 7088172, 8269534, 8860215, 9541770, 11813620, 12404301, 16539068, 17720430, 19083540, 20673835, 24808602, 35440860, 41347670, 49617204, 62021505, 82695340, 124043010, 248086020]

約数ペア:

[(1, 248086020), (2, 124043010), (3, 82695340), (4, 62021505), (5, 49617204), (6, 41347670), (7, 35440860), (10, 24808602), (12, 20673835), (13, 19083540), (14, 17720430), (15, 16539068), (20, 12404301), (21, 11813620), (26, 9541770), (28, 8860215), (30, 8269534), (35, 7088172), (39, 6361180), (42, 5906810), (49, 5062980), (52, 4770885), (60, 4134767), (65, 3816708), (70, 3544086), (78, 3180590), (84, 2953405), (91, 2726220), (98, 2531490), (105, 2362724), (130, 1908354), (140, 1772043), (147, 1687660), (156, 1590295), (182, 1363110), (195, 1272236), (196, 1265745), (210, 1181362), (245, 1012596), (260, 954177), (273, 908740), (294, 843830), (364, 681555), (390, 636118), (420, 590681), (455, 545244), (490, 506298), (546, 454370), (588, 421915), (637, 389460), (735, 337532), (780, 318059), (910, 272622), (980, 253149), (1092, 227185), (1274, 194730), (1365, 181748), (1470, 168766), (1820, 136311), (1911, 129820), (2548, 97365), (2730, 90874), (2940, 84383), (3185, 77892), (3822, 64910), (5460, 45437), (6370, 38946), (6491, 38220), (7644, 32455), (9555, 25964), (12740, 19473), (12982, 19110)]