220136580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39451}}^1$

素因数の和:39497

約数の個数: 72

約数和(自身を含む): 689305344

約数和(自身を除く): 469168764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39451, 78902, 118353, 157804, 197255, 236706, 355059, 394510, 473412, 591765, 710118, 789020, 1183530, 1222981, 1420236, 1775295, 2367060, 2445962, 3550590, 3668943, 4891924, 6114905, 7101180, 7337886, 11006829, 12229810, 14675772, 18344715, 22013658, 24459620, 36689430, 44027316, 55034145, 73378860, 110068290, 220136580]

約数ペア:

[(1, 220136580), (2, 110068290), (3, 73378860), (4, 55034145), (5, 44027316), (6, 36689430), (9, 24459620), (10, 22013658), (12, 18344715), (15, 14675772), (18, 12229810), (20, 11006829), (30, 7337886), (31, 7101180), (36, 6114905), (45, 4891924), (60, 3668943), (62, 3550590), (90, 2445962), (93, 2367060), (124, 1775295), (155, 1420236), (180, 1222981), (186, 1183530), (279, 789020), (310, 710118), (372, 591765), (465, 473412), (558, 394510), (620, 355059), (930, 236706), (1116, 197255), (1395, 157804), (1860, 118353), (2790, 78902), (5580, 39451)]