157012520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18089}}^1$

素因数の和:18138

約数の個数: 64

約数和(自身を含む): 416793600

約数和(自身を除く): 259781080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18089, 36178, 72356, 90445, 126623, 144712, 180890, 253246, 361780, 506492, 560759, 633115, 723560, 1012984, 1121518, 1266230, 2243036, 2532460, 2803795, 3925313, 4486072, 5064920, 5607590, 7850626, 11215180, 15701252, 19626565, 22430360, 31402504, 39253130, 78506260, 157012520]

約数ペア:

[(1, 157012520), (2, 78506260), (4, 39253130), (5, 31402504), (7, 22430360), (8, 19626565), (10, 15701252), (14, 11215180), (20, 7850626), (28, 5607590), (31, 5064920), (35, 4486072), (40, 3925313), (56, 2803795), (62, 2532460), (70, 2243036), (124, 1266230), (140, 1121518), (155, 1012984), (217, 723560), (248, 633115), (280, 560759), (310, 506492), (434, 361780), (620, 253246), (868, 180890), (1085, 144712), (1240, 126623), (1736, 90445), (2170, 72356), (4340, 36178), (8680, 18089)]