1256821920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2685

約数の個数: 240

約数和(自身を含む): 4557151368

約数和(自身を除く): 3300329448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 96, 108, 111, 120, 135, 144, 148, 160, 162, 180, 185, 216, 222, 240, 270, 288, 296, 324, 333, 360, 370, 405, 432, 444, 480, 540, 555, 592, 648, 666, 720, 740, 810, 864, 888, 999, 1080, 1110, 1184, 1296, 1332, 1440, 1480, 1620, 1665, 1776, 1998, 2160, 2220, 2592, 2621, 2664, 2960, 2997, 3240, 3330, 3552, 3996, 4320, 4440, 4995, 5242, 5328, 5920, 5994, 6480, 6660, 7863, 7992, 8880, 9990, 10484, 10656, 11988, 12960, 13105, 13320, 14985, 15726, 15984, 17760, 19980, 20968, 23589, 23976, 26210, 26640, 29970, 31452, 31968, 39315, 39960, 41936, 47178, 47952, 52420, 53280, 59940, 62904, 70767, 78630, 79920, 83872, 94356, 95904, 96977, 104840, 117945, 119880, 125808, 141534, 157260, 159840, 188712, 193954, 209680, 212301, 235890, 239760, 251616, 283068, 290931, 314520, 353835, 377424, 387908, 419360, 424602, 471780, 479520, 484885, 566136, 581862, 629040, 707670, 754848, 775816, 849204, 872793, 943560, 969770, 1061505, 1132272, 1163724, 1258080, 1415340, 1454655, 1551632, 1698408, 1745586, 1887120, 1939540, 2123010, 2264544, 2327448, 2618379, 2830680, 2909310, 3103264, 3396816, 3491172, 3774240, 3879080, 4246020, 4363965, 4654896, 5236758, 5661360, 5818620, 6793632, 6982344, 7758160, 7855137, 8492040, 8727930, 9309792, 10473516, 11322720, 11637240, 13091895, 13964688, 15516320, 15710274, 16984080, 17455860, 20947032, 23274480, 26183790, 27929376, 31420548, 33968160, 34911720, 39275685, 41894064, 46548960, 52367580, 62841096, 69823440, 78551370, 83788128, 104735160, 125682192, 139646880, 157102740, 209470320, 251364384, 314205480, 418940640, 628410960, 1256821920]

約数ペア:

[(1, 1256821920), (2, 628410960), (3, 418940640), (4, 314205480), (5, 251364384), (6, 209470320), (8, 157102740), (9, 139646880), (10, 125682192), (12, 104735160), (15, 83788128), (16, 78551370), (18, 69823440), (20, 62841096), (24, 52367580), (27, 46548960), (30, 41894064), (32, 39275685), (36, 34911720), (37, 33968160), (40, 31420548), (45, 27929376), (48, 26183790), (54, 23274480), (60, 20947032), (72, 17455860), (74, 16984080), (80, 15710274), (81, 15516320), (90, 13964688), (96, 13091895), (108, 11637240), (111, 11322720), (120, 10473516), (135, 9309792), (144, 8727930), (148, 8492040), (160, 7855137), (162, 7758160), (180, 6982344), (185, 6793632), (216, 5818620), (222, 5661360), (240, 5236758), (270, 4654896), (288, 4363965), (296, 4246020), (324, 3879080), (333, 3774240), (360, 3491172), (370, 3396816), (405, 3103264), (432, 2909310), (444, 2830680), (480, 2618379), (540, 2327448), (555, 2264544), (592, 2123010), (648, 1939540), (666, 1887120), (720, 1745586), (740, 1698408), (810, 1551632), (864, 1454655), (888, 1415340), (999, 1258080), (1080, 1163724), (1110, 1132272), (1184, 1061505), (1296, 969770), (1332, 943560), (1440, 872793), (1480, 849204), (1620, 775816), (1665, 754848), (1776, 707670), (1998, 629040), (2160, 581862), (2220, 566136), (2592, 484885), (2621, 479520), (2664, 471780), (2960, 424602), (2997, 419360), (3240, 387908), (3330, 377424), (3552, 353835), (3996, 314520), (4320, 290931), (4440, 283068), (4995, 251616), (5242, 239760), (5328, 235890), (5920, 212301), (5994, 209680), (6480, 193954), (6660, 188712), (7863, 159840), (7992, 157260), (8880, 141534), (9990, 125808), (10484, 119880), (10656, 117945), (11988, 104840), (12960, 96977), (13105, 95904), (13320, 94356), (14985, 83872), (15726, 79920), (15984, 78630), (17760, 70767), (19980, 62904), (20968, 59940), (23589, 53280), (23976, 52420), (26210, 47952), (26640, 47178), (29970, 41936), (31452, 39960), (31968, 39315)]