26921520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 91400400

約数和(自身を除く): 64478880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 269, 278, 360, 417, 538, 556, 695, 720, 807, 834, 1076, 1112, 1251, 1345, 1390, 1614, 1668, 2085, 2152, 2224, 2421, 2502, 2690, 2780, 3228, 3336, 4035, 4170, 4304, 4842, 5004, 5380, 5560, 6255, 6456, 6672, 8070, 8340, 9684, 10008, 10760, 11120, 12105, 12510, 12912, 16140, 16680, 19368, 20016, 21520, 24210, 25020, 32280, 33360, 37391, 38736, 48420, 50040, 64560, 74782, 96840, 100080, 112173, 149564, 186955, 193680, 224346, 299128, 336519, 373910, 448692, 560865, 598256, 673038, 747820, 897384, 1121730, 1346076, 1495640, 1682595, 1794768, 2243460, 2692152, 2991280, 3365190, 4486920, 5384304, 6730380, 8973840, 13460760, 26921520]

約数ペア:

[(1, 26921520), (2, 13460760), (3, 8973840), (4, 6730380), (5, 5384304), (6, 4486920), (8, 3365190), (9, 2991280), (10, 2692152), (12, 2243460), (15, 1794768), (16, 1682595), (18, 1495640), (20, 1346076), (24, 1121730), (30, 897384), (36, 747820), (40, 673038), (45, 598256), (48, 560865), (60, 448692), (72, 373910), (80, 336519), (90, 299128), (120, 224346), (139, 193680), (144, 186955), (180, 149564), (240, 112173), (269, 100080), (278, 96840), (360, 74782), (417, 64560), (538, 50040), (556, 48420), (695, 38736), (720, 37391), (807, 33360), (834, 32280), (1076, 25020), (1112, 24210), (1251, 21520), (1345, 20016), (1390, 19368), (1614, 16680), (1668, 16140), (2085, 12912), (2152, 12510), (2224, 12105), (2421, 11120), (2502, 10760), (2690, 10008), (2780, 9684), (3228, 8340), (3336, 8070), (4035, 6672), (4170, 6456), (4304, 6255), (4842, 5560), (5004, 5380)]