197990520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18131}}^1$

素因数の和:18165

約数の個数: 128

約数和(自身を含む): 731082240

約数和(自身を除く): 533091720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 18131, 36262, 54393, 72524, 90655, 108786, 126917, 145048, 181310, 217572, 235703, 253834, 271965, 362620, 380751, 435144, 471406, 507668, 543930, 634585, 707109, 725240, 761502, 942812, 1015336, 1087860, 1178515, 1269170, 1414218, 1523004, 1649921, 1885624, 1903755, 2175720, 2357030, 2538340, 2828436, 3046008, 3299842, 3535545, 3807510, 4714060, 4949763, 5076680, 5656872, 6599684, 7071090, 7615020, 8249605, 9428120, 9899526, 13199368, 14142180, 15230040, 16499210, 19799052, 24748815, 28284360, 32998420, 39598104, 49497630, 65996840, 98995260, 197990520]

約数ペア:

[(1, 197990520), (2, 98995260), (3, 65996840), (4, 49497630), (5, 39598104), (6, 32998420), (7, 28284360), (8, 24748815), (10, 19799052), (12, 16499210), (13, 15230040), (14, 14142180), (15, 13199368), (20, 9899526), (21, 9428120), (24, 8249605), (26, 7615020), (28, 7071090), (30, 6599684), (35, 5656872), (39, 5076680), (40, 4949763), (42, 4714060), (52, 3807510), (56, 3535545), (60, 3299842), (65, 3046008), (70, 2828436), (78, 2538340), (84, 2357030), (91, 2175720), (104, 1903755), (105, 1885624), (120, 1649921), (130, 1523004), (140, 1414218), (156, 1269170), (168, 1178515), (182, 1087860), (195, 1015336), (210, 942812), (260, 761502), (273, 725240), (280, 707109), (312, 634585), (364, 543930), (390, 507668), (420, 471406), (455, 435144), (520, 380751), (546, 362620), (728, 271965), (780, 253834), (840, 235703), (910, 217572), (1092, 181310), (1365, 145048), (1560, 126917), (1820, 108786), (2184, 90655), (2730, 72524), (3640, 54393), (5460, 36262), (10920, 18131)]