205981020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163477}}^1$

素因数の和:163499

約数の個数: 72

約数和(自身を含む): 714071904

約数和(自身を除く): 508090884

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, 630, 1260, 163477, 326954, 490431, 653908, 817385, 980862, 1144339, 1471293, 1634770, 1961724, 2288678, 2452155, 2942586, 3269540, 3433017, 4577356, 4904310, 5721695, 5885172, 6866034, 7356465, 9808620, 10299051, 11443390, 13732068, 14712930, 17165085, 20598102, 22886780, 29425860, 34330170, 41196204, 51495255, 68660340, 102990510, 205981020]

約数ペア:

[(1, 205981020), (2, 102990510), (3, 68660340), (4, 51495255), (5, 41196204), (6, 34330170), (7, 29425860), (9, 22886780), (10, 20598102), (12, 17165085), (14, 14712930), (15, 13732068), (18, 11443390), (20, 10299051), (21, 9808620), (28, 7356465), (30, 6866034), (35, 5885172), (36, 5721695), (42, 4904310), (45, 4577356), (60, 3433017), (63, 3269540), (70, 2942586), (84, 2452155), (90, 2288678), (105, 1961724), (126, 1634770), (140, 1471293), (180, 1144339), (210, 980862), (252, 817385), (315, 653908), (420, 490431), (630, 326954), (1260, 163477)]