31352880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{773}}^1$

素因数の和:815

約数の個数: 120

約数和(自身を含む): 105381648

約数和(自身を除く): 74028768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 773, 780, 845, 1014, 1040, 1352, 1546, 1560, 1690, 2028, 2319, 2535, 2704, 3092, 3120, 3380, 3865, 4056, 4638, 5070, 6184, 6760, 7730, 8112, 9276, 10049, 10140, 11595, 12368, 13520, 15460, 18552, 20098, 20280, 23190, 30147, 30920, 37104, 40196, 40560, 46380, 50245, 60294, 61840, 80392, 92760, 100490, 120588, 130637, 150735, 160784, 185520, 200980, 241176, 261274, 301470, 391911, 401960, 482352, 522548, 602940, 653185, 783822, 803920, 1045096, 1205880, 1306370, 1567644, 1959555, 2090192, 2411760, 2612740, 3135288, 3919110, 5225480, 6270576, 7838220, 10450960, 15676440, 31352880]

約数ペア:

[(1, 31352880), (2, 15676440), (3, 10450960), (4, 7838220), (5, 6270576), (6, 5225480), (8, 3919110), (10, 3135288), (12, 2612740), (13, 2411760), (15, 2090192), (16, 1959555), (20, 1567644), (24, 1306370), (26, 1205880), (30, 1045096), (39, 803920), (40, 783822), (48, 653185), (52, 602940), (60, 522548), (65, 482352), (78, 401960), (80, 391911), (104, 301470), (120, 261274), (130, 241176), (156, 200980), (169, 185520), (195, 160784), (208, 150735), (240, 130637), (260, 120588), (312, 100490), (338, 92760), (390, 80392), (507, 61840), (520, 60294), (624, 50245), (676, 46380), (773, 40560), (780, 40196), (845, 37104), (1014, 30920), (1040, 30147), (1352, 23190), (1546, 20280), (1560, 20098), (1690, 18552), (2028, 15460), (2319, 13520), (2535, 12368), (2704, 11595), (3092, 10140), (3120, 10049), (3380, 9276), (3865, 8112), (4056, 7730), (4638, 6760), (5070, 6184)]