7767152680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{271}}^1\times {\mathrm{2089}}^1$

素因数の和:2392

約数の個数: 128

約数和(自身を含む): 20465280000

約数和(自身を除く): 12698127320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 271, 280, 343, 392, 490, 542, 686, 980, 1084, 1355, 1372, 1715, 1897, 1960, 2089, 2168, 2710, 2744, 3430, 3794, 4178, 5420, 6860, 7588, 8356, 9485, 10445, 10840, 13279, 13720, 14623, 15176, 16712, 18970, 20890, 26558, 29246, 37940, 41780, 53116, 58492, 66395, 73115, 75880, 83560, 92953, 102361, 106232, 116984, 132790, 146230, 185906, 204722, 265580, 292460, 371812, 409444, 464765, 511805, 531160, 566119, 584920, 716527, 743624, 818888, 929530, 1023610, 1132238, 1433054, 1859060, 2047220, 2264476, 2830595, 2866108, 3582635, 3718120, 3962833, 4094440, 4528952, 5661190, 5732216, 7165270, 7925666, 11322380, 14330540, 15851332, 19814165, 22644760, 27739831, 28661080, 31702664, 39628330, 55479662, 79256660, 110959324, 138699155, 158513320, 194178817, 221918648, 277398310, 388357634, 554796620, 776715268, 970894085, 1109593240, 1553430536, 1941788170, 3883576340, 7767152680]

約数ペア:

[(1, 7767152680), (2, 3883576340), (4, 1941788170), (5, 1553430536), (7, 1109593240), (8, 970894085), (10, 776715268), (14, 554796620), (20, 388357634), (28, 277398310), (35, 221918648), (40, 194178817), (49, 158513320), (56, 138699155), (70, 110959324), (98, 79256660), (140, 55479662), (196, 39628330), (245, 31702664), (271, 28661080), (280, 27739831), (343, 22644760), (392, 19814165), (490, 15851332), (542, 14330540), (686, 11322380), (980, 7925666), (1084, 7165270), (1355, 5732216), (1372, 5661190), (1715, 4528952), (1897, 4094440), (1960, 3962833), (2089, 3718120), (2168, 3582635), (2710, 2866108), (2744, 2830595), (3430, 2264476), (3794, 2047220), (4178, 1859060), (5420, 1433054), (6860, 1132238), (7588, 1023610), (8356, 929530), (9485, 818888), (10445, 743624), (10840, 716527), (13279, 584920), (13720, 566119), (14623, 531160), (15176, 511805), (16712, 464765), (18970, 409444), (20890, 371812), (26558, 292460), (29246, 265580), (37940, 204722), (41780, 185906), (53116, 146230), (58492, 132790), (66395, 116984), (73115, 106232), (75880, 102361), (83560, 92953)]