290631240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 160

約数和(自身を含む): 983410560

約数和(自身を除く): 692779320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 271, 324, 331, 360, 405, 540, 542, 648, 662, 810, 813, 993, 1080, 1084, 1324, 1355, 1620, 1626, 1655, 1986, 2168, 2439, 2648, 2710, 2979, 3240, 3252, 3310, 3972, 4065, 4878, 4965, 5420, 5958, 6504, 6620, 7317, 7944, 8130, 8937, 9756, 9930, 10840, 11916, 12195, 13240, 14634, 14895, 16260, 17874, 19512, 19860, 21951, 23832, 24390, 26811, 29268, 29790, 32520, 35748, 36585, 39720, 43902, 44685, 48780, 53622, 58536, 59580, 71496, 73170, 87804, 89370, 89701, 97560, 107244, 109755, 119160, 134055, 146340, 175608, 178740, 179402, 214488, 219510, 268110, 269103, 292680, 357480, 358804, 439020, 448505, 536220, 538206, 717608, 807309, 878040, 897010, 1072440, 1076412, 1345515, 1614618, 1794020, 2152824, 2421927, 2691030, 3229236, 3588040, 4036545, 4843854, 5382060, 6458472, 7265781, 8073090, 9687708, 10764120, 12109635, 14531562, 16146180, 19375416, 24219270, 29063124, 32292360, 36328905, 48438540, 58126248, 72657810, 96877080, 145315620, 290631240]

約数ペア:

[(1, 290631240), (2, 145315620), (3, 96877080), (4, 72657810), (5, 58126248), (6, 48438540), (8, 36328905), (9, 32292360), (10, 29063124), (12, 24219270), (15, 19375416), (18, 16146180), (20, 14531562), (24, 12109635), (27, 10764120), (30, 9687708), (36, 8073090), (40, 7265781), (45, 6458472), (54, 5382060), (60, 4843854), (72, 4036545), (81, 3588040), (90, 3229236), (108, 2691030), (120, 2421927), (135, 2152824), (162, 1794020), (180, 1614618), (216, 1345515), (270, 1076412), (271, 1072440), (324, 897010), (331, 878040), (360, 807309), (405, 717608), (540, 538206), (542, 536220), (648, 448505), (662, 439020), (810, 358804), (813, 357480), (993, 292680), (1080, 269103), (1084, 268110), (1324, 219510), (1355, 214488), (1620, 179402), (1626, 178740), (1655, 175608), (1986, 146340), (2168, 134055), (2439, 119160), (2648, 109755), (2710, 107244), (2979, 97560), (3240, 89701), (3252, 89370), (3310, 87804), (3972, 73170), (4065, 71496), (4878, 59580), (4965, 58536), (5420, 53622), (5958, 48780), (6504, 44685), (6620, 43902), (7317, 39720), (7944, 36585), (8130, 35748), (8937, 32520), (9756, 29790), (9930, 29268), (10840, 26811), (11916, 24390), (12195, 23832), (13240, 21951), (14634, 19860), (14895, 19512), (16260, 17874)]