31051800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1362

約数の個数: 144

約数和(自身を含む): 112388640

約数和(自身を除く): 81336840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1327, 1560, 1800, 1950, 2340, 2600, 2654, 2925, 3900, 3981, 4680, 5308, 5850, 6635, 7800, 7962, 10616, 11700, 11943, 13270, 15924, 17251, 19905, 23400, 23886, 26540, 31848, 33175, 34502, 39810, 47772, 51753, 53080, 59715, 66350, 69004, 79620, 86255, 95544, 99525, 103506, 119430, 132700, 138008, 155259, 159240, 172510, 199050, 207012, 238860, 258765, 265400, 298575, 310518, 345020, 398100, 414024, 431275, 477720, 517530, 597150, 621036, 690040, 776295, 796200, 862550, 1035060, 1194300, 1242072, 1293825, 1552590, 1725100, 2070120, 2388600, 2587650, 3105180, 3450200, 3881475, 5175300, 6210360, 7762950, 10350600, 15525900, 31051800]

約数ペア:

[(1, 31051800), (2, 15525900), (3, 10350600), (4, 7762950), (5, 6210360), (6, 5175300), (8, 3881475), (9, 3450200), (10, 3105180), (12, 2587650), (13, 2388600), (15, 2070120), (18, 1725100), (20, 1552590), (24, 1293825), (25, 1242072), (26, 1194300), (30, 1035060), (36, 862550), (39, 796200), (40, 776295), (45, 690040), (50, 621036), (52, 597150), (60, 517530), (65, 477720), (72, 431275), (75, 414024), (78, 398100), (90, 345020), (100, 310518), (104, 298575), (117, 265400), (120, 258765), (130, 238860), (150, 207012), (156, 199050), (180, 172510), (195, 159240), (200, 155259), (225, 138008), (234, 132700), (260, 119430), (300, 103506), (312, 99525), (325, 95544), (360, 86255), (390, 79620), (450, 69004), (468, 66350), (520, 59715), (585, 53080), (600, 51753), (650, 47772), (780, 39810), (900, 34502), (936, 33175), (975, 31848), (1170, 26540), (1300, 23886), (1327, 23400), (1560, 19905), (1800, 17251), (1950, 15924), (2340, 13270), (2600, 11943), (2654, 11700), (2925, 10616), (3900, 7962), (3981, 7800), (4680, 6635), (5308, 5850)]