1815172380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2887}}^1$

素因数の和:3408

約数の個数: 144

約数和(自身を含む): 6307392000

約数和(自身を除く): 4492219620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 499, 630, 998, 1260, 1497, 1996, 2495, 2887, 2994, 3493, 4491, 4990, 5774, 5988, 6986, 7485, 8661, 8982, 9980, 10479, 11548, 13972, 14435, 14970, 17322, 17465, 17964, 20209, 20958, 22455, 25983, 28870, 29940, 31437, 34644, 34930, 40418, 41916, 43305, 44910, 51966, 52395, 57740, 60627, 62874, 69860, 80836, 86610, 89820, 101045, 103932, 104790, 121254, 125748, 129915, 157185, 173220, 181881, 202090, 209580, 242508, 259830, 303135, 314370, 363762, 404180, 519660, 606270, 628740, 727524, 909405, 1212540, 1440613, 1818810, 2881226, 3637620, 4321839, 5762452, 7203065, 8643678, 10084291, 12965517, 14406130, 17287356, 20168582, 21609195, 25931034, 28812260, 30252873, 40337164, 43218390, 50421455, 51862068, 60505746, 64827585, 86436780, 90758619, 100842910, 121011492, 129655170, 151264365, 181517238, 201685820, 259310340, 302528730, 363034476, 453793095, 605057460, 907586190, 1815172380]

約数ペア:

[(1, 1815172380), (2, 907586190), (3, 605057460), (4, 453793095), (5, 363034476), (6, 302528730), (7, 259310340), (9, 201685820), (10, 181517238), (12, 151264365), (14, 129655170), (15, 121011492), (18, 100842910), (20, 90758619), (21, 86436780), (28, 64827585), (30, 60505746), (35, 51862068), (36, 50421455), (42, 43218390), (45, 40337164), (60, 30252873), (63, 28812260), (70, 25931034), (84, 21609195), (90, 20168582), (105, 17287356), (126, 14406130), (140, 12965517), (180, 10084291), (210, 8643678), (252, 7203065), (315, 5762452), (420, 4321839), (499, 3637620), (630, 2881226), (998, 1818810), (1260, 1440613), (1497, 1212540), (1996, 909405), (2495, 727524), (2887, 628740), (2994, 606270), (3493, 519660), (4491, 404180), (4990, 363762), (5774, 314370), (5988, 303135), (6986, 259830), (7485, 242508), (8661, 209580), (8982, 202090), (9980, 181881), (10479, 173220), (11548, 157185), (13972, 129915), (14435, 125748), (14970, 121254), (17322, 104790), (17465, 103932), (17964, 101045), (20209, 89820), (20958, 86610), (22455, 80836), (25983, 69860), (28870, 62874), (29940, 60627), (31437, 57740), (34644, 52395), (34930, 51966), (40418, 44910), (41916, 43305)]