154904920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 360249120

約数和(自身を除く): 205344200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 797, 860, 904, 1130, 1594, 1720, 2260, 3188, 3985, 4520, 4859, 6376, 7970, 9718, 15940, 19436, 24295, 31880, 34271, 38872, 48590, 68542, 90061, 97180, 137084, 171355, 180122, 194360, 274168, 342710, 360244, 450305, 685420, 720488, 900610, 1370840, 1801220, 3602440, 3872623, 7745246, 15490492, 19363115, 30980984, 38726230, 77452460, 154904920]

約数ペア:

[(1, 154904920), (2, 77452460), (4, 38726230), (5, 30980984), (8, 19363115), (10, 15490492), (20, 7745246), (40, 3872623), (43, 3602440), (86, 1801220), (113, 1370840), (172, 900610), (215, 720488), (226, 685420), (344, 450305), (430, 360244), (452, 342710), (565, 274168), (797, 194360), (860, 180122), (904, 171355), (1130, 137084), (1594, 97180), (1720, 90061), (2260, 68542), (3188, 48590), (3985, 38872), (4520, 34271), (4859, 31880), (6376, 24295), (7970, 19436), (9718, 15940)]