490401240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13577}}^1$

素因数の和:13641

約数の個数: 128

約数和(自身を含む): 1720604160

約数和(自身を除く): 1230202920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 13577, 18060, 27154, 36120, 40731, 54308, 67885, 81462, 95039, 108616, 135770, 162924, 190078, 203655, 271540, 285117, 325848, 380156, 407310, 475195, 543080, 570234, 583811, 760312, 814620, 950390, 1140468, 1167622, 1425585, 1629240, 1751433, 1900780, 2280936, 2335244, 2851170, 2919055, 3502866, 3801560, 4086677, 4670488, 5702340, 5838110, 7005732, 8173354, 8757165, 11404680, 11676220, 12260031, 14011464, 16346708, 17514330, 20433385, 23352440, 24520062, 32693416, 35028660, 40866770, 49040124, 61300155, 70057320, 81733540, 98080248, 122600310, 163467080, 245200620, 490401240]

約数ペア:

[(1, 490401240), (2, 245200620), (3, 163467080), (4, 122600310), (5, 98080248), (6, 81733540), (7, 70057320), (8, 61300155), (10, 49040124), (12, 40866770), (14, 35028660), (15, 32693416), (20, 24520062), (21, 23352440), (24, 20433385), (28, 17514330), (30, 16346708), (35, 14011464), (40, 12260031), (42, 11676220), (43, 11404680), (56, 8757165), (60, 8173354), (70, 7005732), (84, 5838110), (86, 5702340), (105, 4670488), (120, 4086677), (129, 3801560), (140, 3502866), (168, 2919055), (172, 2851170), (210, 2335244), (215, 2280936), (258, 1900780), (280, 1751433), (301, 1629240), (344, 1425585), (420, 1167622), (430, 1140468), (516, 950390), (602, 814620), (645, 760312), (840, 583811), (860, 570234), (903, 543080), (1032, 475195), (1204, 407310), (1290, 380156), (1505, 325848), (1720, 285117), (1806, 271540), (2408, 203655), (2580, 190078), (3010, 162924), (3612, 135770), (4515, 108616), (5160, 95039), (6020, 81462), (7224, 67885), (9030, 54308), (12040, 40731), (13577, 36120), (18060, 27154)]