551865720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21193}}^1$

素因数の和:21245

約数の個数: 128

約数和(自身を含む): 1953239040

約数和(自身を除く): 1401373320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 21193, 26040, 42386, 63579, 84772, 105965, 127158, 148351, 169544, 211930, 254316, 296702, 317895, 423860, 445053, 508632, 593404, 635790, 656983, 741755, 847720, 890106, 1186808, 1271580, 1313966, 1483510, 1780212, 1970949, 2225265, 2543160, 2627932, 2967020, 3284915, 3560424, 3941898, 4450530, 4598881, 5255864, 5934040, 6569830, 7883796, 8901060, 9197762, 9854745, 13139660, 13796643, 15767592, 17802120, 18395524, 19709490, 22994405, 26279320, 27593286, 36791048, 39418980, 45988810, 55186572, 68983215, 78837960, 91977620, 110373144, 137966430, 183955240, 275932860, 551865720]

約数ペア:

[(1, 551865720), (2, 275932860), (3, 183955240), (4, 137966430), (5, 110373144), (6, 91977620), (7, 78837960), (8, 68983215), (10, 55186572), (12, 45988810), (14, 39418980), (15, 36791048), (20, 27593286), (21, 26279320), (24, 22994405), (28, 19709490), (30, 18395524), (31, 17802120), (35, 15767592), (40, 13796643), (42, 13139660), (56, 9854745), (60, 9197762), (62, 8901060), (70, 7883796), (84, 6569830), (93, 5934040), (105, 5255864), (120, 4598881), (124, 4450530), (140, 3941898), (155, 3560424), (168, 3284915), (186, 2967020), (210, 2627932), (217, 2543160), (248, 2225265), (280, 1970949), (310, 1780212), (372, 1483510), (420, 1313966), (434, 1271580), (465, 1186808), (620, 890106), (651, 847720), (744, 741755), (840, 656983), (868, 635790), (930, 593404), (1085, 508632), (1240, 445053), (1302, 423860), (1736, 317895), (1860, 296702), (2170, 254316), (2604, 211930), (3255, 169544), (3720, 148351), (4340, 127158), (5208, 105965), (6510, 84772), (8680, 63579), (13020, 42386), (21193, 26040)]