1271888890840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1\times {\mathrm{10133}}^1$

素因数の和:10637

約数の個数: 128

約数和(自身を含む): 2930120438400

約数和(自身を除く): 1658231547560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 193, 229, 284, 355, 386, 458, 568, 710, 772, 916, 965, 1145, 1420, 1544, 1832, 1930, 2290, 2840, 3860, 4580, 7720, 9160, 10133, 13703, 16259, 20266, 27406, 32518, 40532, 44197, 50665, 54812, 65036, 68515, 81064, 81295, 88394, 101330, 109624, 130072, 137030, 162590, 176788, 202660, 220985, 274060, 325180, 353576, 405320, 441970, 548120, 650360, 719443, 883940, 1438886, 1767880, 1955669, 2320457, 2877772, 3137987, 3597215, 3911338, 4640914, 5755544, 6275974, 7194430, 7822676, 9281828, 9778345, 11602285, 12551948, 14388860, 15645352, 15689935, 18563656, 19556690, 23204570, 25103896, 28777720, 31379870, 39113380, 46409140, 62759740, 78226760, 92818280, 125519480, 138852499, 164752447, 277704998, 329504894, 447848201, 555409996, 659009788, 694262495, 823762235, 895696402, 1110819992, 1318019576, 1388524990, 1647524470, 1791392804, 2239241005, 2777049980, 3295048940, 3582785608, 4478482010, 5554099960, 6590097880, 8956964020, 17913928040, 31797222271, 63594444542, 127188889084, 158986111355, 254377778168, 317972222710, 635944445420, 1271888890840]

約数ペア:

[(1, 1271888890840), (2, 635944445420), (4, 317972222710), (5, 254377778168), (8, 158986111355), (10, 127188889084), (20, 63594444542), (40, 31797222271), (71, 17913928040), (142, 8956964020), (193, 6590097880), (229, 5554099960), (284, 4478482010), (355, 3582785608), (386, 3295048940), (458, 2777049980), (568, 2239241005), (710, 1791392804), (772, 1647524470), (916, 1388524990), (965, 1318019576), (1145, 1110819992), (1420, 895696402), (1544, 823762235), (1832, 694262495), (1930, 659009788), (2290, 555409996), (2840, 447848201), (3860, 329504894), (4580, 277704998), (7720, 164752447), (9160, 138852499), (10133, 125519480), (13703, 92818280), (16259, 78226760), (20266, 62759740), (27406, 46409140), (32518, 39113380), (40532, 31379870), (44197, 28777720), (50665, 25103896), (54812, 23204570), (65036, 19556690), (68515, 18563656), (81064, 15689935), (81295, 15645352), (88394, 14388860), (101330, 12551948), (109624, 11602285), (130072, 9778345), (137030, 9281828), (162590, 7822676), (176788, 7194430), (202660, 6275974), (220985, 5755544), (274060, 4640914), (325180, 3911338), (353576, 3597215), (405320, 3137987), (441970, 2877772), (548120, 2320457), (650360, 1955669), (719443, 1767880), (883940, 1438886)]