90321420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215051}}^1$

素因数の和:215070

約数の個数: 48

約数和(自身を含む): 289029888

約数和(自身を除く): 198708468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 215051, 430102, 645153, 860204, 1075255, 1290306, 1505357, 2150510, 2580612, 3010714, 3225765, 4301020, 4516071, 6021428, 6451530, 7526785, 9032142, 12903060, 15053570, 18064284, 22580355, 30107140, 45160710, 90321420]

約数ペア:

[(1, 90321420), (2, 45160710), (3, 30107140), (4, 22580355), (5, 18064284), (6, 15053570), (7, 12903060), (10, 9032142), (12, 7526785), (14, 6451530), (15, 6021428), (20, 4516071), (21, 4301020), (28, 3225765), (30, 3010714), (35, 2580612), (42, 2150510), (60, 1505357), (70, 1290306), (84, 1075255), (105, 860204), (140, 645153), (210, 430102), (420, 215051)]