31032820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 86647680

約数和(自身を除く): 55614860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 59, 65, 68, 70, 85, 91, 118, 119, 130, 140, 170, 182, 221, 236, 238, 260, 289, 295, 340, 364, 413, 442, 455, 476, 578, 590, 595, 767, 826, 884, 910, 1003, 1105, 1156, 1180, 1190, 1445, 1534, 1547, 1652, 1820, 2006, 2023, 2065, 2210, 2380, 2890, 3068, 3094, 3757, 3835, 4012, 4046, 4130, 4420, 5015, 5369, 5780, 6188, 7021, 7514, 7670, 7735, 8092, 8260, 10030, 10115, 10738, 13039, 14042, 15028, 15340, 15470, 17051, 18785, 20060, 20230, 21476, 26078, 26299, 26845, 28084, 30940, 34102, 35105, 37570, 40460, 52156, 52598, 53690, 65195, 68204, 70210, 75140, 85255, 91273, 105196, 107380, 119357, 130390, 131495, 140420, 170510, 182546, 221663, 238714, 260780, 262990, 341020, 365092, 443326, 456365, 477428, 525980, 596785, 886652, 912730, 1108315, 1193570, 1551641, 1825460, 2216630, 2387140, 3103282, 4433260, 6206564, 7758205, 15516410, 31032820]

約数ペア:

[(1, 31032820), (2, 15516410), (4, 7758205), (5, 6206564), (7, 4433260), (10, 3103282), (13, 2387140), (14, 2216630), (17, 1825460), (20, 1551641), (26, 1193570), (28, 1108315), (34, 912730), (35, 886652), (52, 596785), (59, 525980), (65, 477428), (68, 456365), (70, 443326), (85, 365092), (91, 341020), (118, 262990), (119, 260780), (130, 238714), (140, 221663), (170, 182546), (182, 170510), (221, 140420), (236, 131495), (238, 130390), (260, 119357), (289, 107380), (295, 105196), (340, 91273), (364, 85255), (413, 75140), (442, 70210), (455, 68204), (476, 65195), (578, 53690), (590, 52598), (595, 52156), (767, 40460), (826, 37570), (884, 35105), (910, 34102), (1003, 30940), (1105, 28084), (1156, 26845), (1180, 26299), (1190, 26078), (1445, 21476), (1534, 20230), (1547, 20060), (1652, 18785), (1820, 17051), (2006, 15470), (2023, 15340), (2065, 15028), (2210, 14042), (2380, 13039), (2890, 10738), (3068, 10115), (3094, 10030), (3757, 8260), (3835, 8092), (4012, 7735), (4046, 7670), (4130, 7514), (4420, 7021), (5015, 6188), (5369, 5780)]