642787140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{150889}}^1$

素因数の和:150972

約数の個数: 48

約数和(自身を含む): 1825165440

約数和(自身を除く): 1182378300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 150889, 301778, 452667, 603556, 754445, 905334, 1508890, 1810668, 2263335, 3017780, 4526670, 9053340, 10713119, 21426238, 32139357, 42852476, 53565595, 64278714, 107131190, 128557428, 160696785, 214262380, 321393570, 642787140]

約数ペア:

[(1, 642787140), (2, 321393570), (3, 214262380), (4, 160696785), (5, 128557428), (6, 107131190), (10, 64278714), (12, 53565595), (15, 42852476), (20, 32139357), (30, 21426238), (60, 10713119), (71, 9053340), (142, 4526670), (213, 3017780), (284, 2263335), (355, 1810668), (426, 1508890), (710, 905334), (852, 754445), (1065, 603556), (1420, 452667), (2130, 301778), (4260, 150889)]