1278221400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 288

約数和(自身を含む): 4543905600

約数和(自身を除く): 3265684200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 47, 50, 58, 60, 72, 75, 87, 90, 94, 100, 116, 120, 141, 145, 150, 174, 180, 188, 200, 225, 232, 235, 261, 282, 290, 300, 348, 360, 376, 423, 435, 450, 470, 521, 522, 564, 580, 600, 696, 705, 725, 846, 870, 900, 940, 1042, 1044, 1128, 1160, 1175, 1305, 1363, 1410, 1450, 1563, 1692, 1740, 1800, 1880, 2084, 2088, 2115, 2175, 2350, 2605, 2610, 2726, 2820, 2900, 3126, 3384, 3480, 3525, 4089, 4168, 4230, 4350, 4689, 4700, 5210, 5220, 5452, 5640, 5800, 6252, 6525, 6815, 7050, 7815, 8178, 8460, 8700, 9378, 9400, 10420, 10440, 10575, 10904, 12267, 12504, 13025, 13050, 13630, 14100, 15109, 15630, 16356, 16920, 17400, 18756, 20445, 20840, 21150, 23445, 24487, 24534, 26050, 26100, 27260, 28200, 30218, 31260, 32712, 34075, 37512, 39075, 40890, 42300, 45327, 46890, 48974, 49068, 52100, 52200, 54520, 60436, 61335, 62520, 68150, 73461, 75545, 78150, 81780, 84600, 90654, 93780, 97948, 98136, 102225, 104200, 117225, 120872, 122435, 122670, 135981, 136300, 146922, 151090, 156300, 163560, 181308, 187560, 195896, 204450, 220383, 226635, 234450, 244870, 245340, 271962, 272600, 293844, 302180, 306675, 312600, 362616, 367305, 377725, 408900, 440766, 453270, 468900, 489740, 490680, 543924, 587688, 604360, 612175, 613350, 679905, 710123, 734610, 755450, 817800, 881532, 906540, 937800, 979480, 1087848, 1101915, 1133175, 1224350, 1226700, 1359810, 1420246, 1469220, 1510900, 1763064, 1813080, 1836525, 2130369, 2203830, 2266350, 2448700, 2453400, 2719620, 2840492, 2938440, 3021800, 3399525, 3550615, 3673050, 4260738, 4407660, 4532700, 4897400, 5439240, 5509575, 5680984, 6391107, 6799050, 7101230, 7346100, 8521476, 8815320, 9065400, 10651845, 11019150, 12782214, 13598100, 14202460, 14692200, 17042952, 17753075, 21303690, 22038300, 25564428, 27196200, 28404920, 31955535, 35506150, 42607380, 44076600, 51128856, 53259225, 63911070, 71012300, 85214760, 106518450, 127822140, 142024600, 159777675, 213036900, 255644280, 319555350, 426073800, 639110700, 1278221400]

約数ペア:

[(1, 1278221400), (2, 639110700), (3, 426073800), (4, 319555350), (5, 255644280), (6, 213036900), (8, 159777675), (9, 142024600), (10, 127822140), (12, 106518450), (15, 85214760), (18, 71012300), (20, 63911070), (24, 53259225), (25, 51128856), (29, 44076600), (30, 42607380), (36, 35506150), (40, 31955535), (45, 28404920), (47, 27196200), (50, 25564428), (58, 22038300), (60, 21303690), (72, 17753075), (75, 17042952), (87, 14692200), (90, 14202460), (94, 13598100), (100, 12782214), (116, 11019150), (120, 10651845), (141, 9065400), (145, 8815320), (150, 8521476), (174, 7346100), (180, 7101230), (188, 6799050), (200, 6391107), (225, 5680984), (232, 5509575), (235, 5439240), (261, 4897400), (282, 4532700), (290, 4407660), (300, 4260738), (348, 3673050), (360, 3550615), (376, 3399525), (423, 3021800), (435, 2938440), (450, 2840492), (470, 2719620), (521, 2453400), (522, 2448700), (564, 2266350), (580, 2203830), (600, 2130369), (696, 1836525), (705, 1813080), (725, 1763064), (846, 1510900), (870, 1469220), (900, 1420246), (940, 1359810), (1042, 1226700), (1044, 1224350), (1128, 1133175), (1160, 1101915), (1175, 1087848), (1305, 979480), (1363, 937800), (1410, 906540), (1450, 881532), (1563, 817800), (1692, 755450), (1740, 734610), (1800, 710123), (1880, 679905), (2084, 613350), (2088, 612175), (2115, 604360), (2175, 587688), (2350, 543924), (2605, 490680), (2610, 489740), (2726, 468900), (2820, 453270), (2900, 440766), (3126, 408900), (3384, 377725), (3480, 367305), (3525, 362616), (4089, 312600), (4168, 306675), (4230, 302180), (4350, 293844), (4689, 272600), (4700, 271962), (5210, 245340), (5220, 244870), (5452, 234450), (5640, 226635), (5800, 220383), (6252, 204450), (6525, 195896), (6815, 187560), (7050, 181308), (7815, 163560), (8178, 156300), (8460, 151090), (8700, 146922), (9378, 136300), (9400, 135981), (10420, 122670), (10440, 122435), (10575, 120872), (10904, 117225), (12267, 104200), (12504, 102225), (13025, 98136), (13050, 97948), (13630, 93780), (14100, 90654), (15109, 84600), (15630, 81780), (16356, 78150), (16920, 75545), (17400, 73461), (18756, 68150), (20445, 62520), (20840, 61335), (21150, 60436), (23445, 54520), (24487, 52200), (24534, 52100), (26050, 49068), (26100, 48974), (27260, 46890), (28200, 45327), (30218, 42300), (31260, 40890), (32712, 39075), (34075, 37512)]