20870690040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6441571}}^1$

素因数の和:6441594

約数の個数: 80

約数和(自身を含む): 70148719080

約数和(自身を除く): 49278029040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6441571, 12883142, 19324713, 25766284, 32207855, 38649426, 51532568, 57974139, 64415710, 77298852, 96623565, 115948278, 128831420, 154597704, 173922417, 193247130, 231896556, 257662840, 289870695, 347844834, 386494260, 463793112, 521767251, 579741390, 695689668, 772988520, 869612085, 1043534502, 1159482780, 1391379336, 1739224170, 2087069004, 2318965560, 2608836255, 3478448340, 4174138008, 5217672510, 6956896680, 10435345020, 20870690040]

約数ペア:

[(1, 20870690040), (2, 10435345020), (3, 6956896680), (4, 5217672510), (5, 4174138008), (6, 3478448340), (8, 2608836255), (9, 2318965560), (10, 2087069004), (12, 1739224170), (15, 1391379336), (18, 1159482780), (20, 1043534502), (24, 869612085), (27, 772988520), (30, 695689668), (36, 579741390), (40, 521767251), (45, 463793112), (54, 386494260), (60, 347844834), (72, 289870695), (81, 257662840), (90, 231896556), (108, 193247130), (120, 173922417), (135, 154597704), (162, 128831420), (180, 115948278), (216, 96623565), (270, 77298852), (324, 64415710), (360, 57974139), (405, 51532568), (540, 38649426), (648, 32207855), (810, 25766284), (1080, 19324713), (1620, 12883142), (3240, 6441571)]