201515540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1259}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 434367360

約数和(自身を除く): 232851820

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 530, 604, 755, 1060, 1259, 1510, 2518, 3020, 5036, 6295, 8003, 12590, 16006, 25180, 32012, 40015, 66727, 80030, 133454, 160060, 190109, 266908, 333635, 380218, 667270, 760436, 950545, 1334540, 1901090, 3802180, 10075777, 20151554, 40303108, 50378885, 100757770, 201515540]

約数ペア:

[(1, 201515540), (2, 100757770), (4, 50378885), (5, 40303108), (10, 20151554), (20, 10075777), (53, 3802180), (106, 1901090), (151, 1334540), (212, 950545), (265, 760436), (302, 667270), (530, 380218), (604, 333635), (755, 266908), (1060, 190109), (1259, 160060), (1510, 133454), (2518, 80030), (3020, 66727), (5036, 40015), (6295, 32012), (8003, 25180), (12590, 16006)]