255413600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:673

約数の個数: 144

約数和(自身を含む): 689018400

約数和(自身を除く): 433604800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 160, 164, 200, 205, 208, 260, 325, 328, 400, 410, 416, 520, 533, 599, 650, 656, 800, 820, 1025, 1040, 1066, 1198, 1300, 1312, 1640, 2050, 2080, 2132, 2396, 2600, 2665, 2995, 3280, 4100, 4264, 4792, 5200, 5330, 5990, 6560, 7787, 8200, 8528, 9584, 10400, 10660, 11980, 13325, 14975, 15574, 16400, 17056, 19168, 21320, 23960, 24559, 26650, 29950, 31148, 32800, 38935, 42640, 47920, 49118, 53300, 59900, 62296, 77870, 85280, 95840, 98236, 106600, 119800, 122795, 124592, 155740, 194675, 196472, 213200, 239600, 245590, 249184, 311480, 319267, 389350, 392944, 426400, 479200, 491180, 613975, 622960, 638534, 778700, 785888, 982360, 1227950, 1245920, 1277068, 1557400, 1596335, 1964720, 2455900, 2554136, 3114800, 3192670, 3929440, 4911800, 5108272, 6229600, 6385340, 7981675, 9823600, 10216544, 12770680, 15963350, 19647200, 25541360, 31926700, 51082720, 63853400, 127706800, 255413600]

約数ペア:

[(1, 255413600), (2, 127706800), (4, 63853400), (5, 51082720), (8, 31926700), (10, 25541360), (13, 19647200), (16, 15963350), (20, 12770680), (25, 10216544), (26, 9823600), (32, 7981675), (40, 6385340), (41, 6229600), (50, 5108272), (52, 4911800), (65, 3929440), (80, 3192670), (82, 3114800), (100, 2554136), (104, 2455900), (130, 1964720), (160, 1596335), (164, 1557400), (200, 1277068), (205, 1245920), (208, 1227950), (260, 982360), (325, 785888), (328, 778700), (400, 638534), (410, 622960), (416, 613975), (520, 491180), (533, 479200), (599, 426400), (650, 392944), (656, 389350), (800, 319267), (820, 311480), (1025, 249184), (1040, 245590), (1066, 239600), (1198, 213200), (1300, 196472), (1312, 194675), (1640, 155740), (2050, 124592), (2080, 122795), (2132, 119800), (2396, 106600), (2600, 98236), (2665, 95840), (2995, 85280), (3280, 77870), (4100, 62296), (4264, 59900), (4792, 53300), (5200, 49118), (5330, 47920), (5990, 42640), (6560, 38935), (7787, 32800), (8200, 31148), (8528, 29950), (9584, 26650), (10400, 24559), (10660, 23960), (11980, 21320), (13325, 19168), (14975, 17056), (15574, 16400)]