678242800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:791

約数の個数: 120

約数和(自身を含む): 1704890880

約数和(自身を除く): 1026648080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 83, 100, 124, 155, 166, 200, 248, 310, 332, 400, 415, 496, 620, 659, 664, 775, 830, 1240, 1318, 1328, 1550, 1660, 2075, 2480, 2573, 2636, 3100, 3295, 3320, 4150, 5146, 5272, 6200, 6590, 6640, 8300, 10292, 10544, 12400, 12865, 13180, 16475, 16600, 20429, 20584, 25730, 26360, 32950, 33200, 40858, 41168, 51460, 52720, 54697, 64325, 65900, 81716, 102145, 102920, 109394, 128650, 131800, 163432, 204290, 205840, 218788, 257300, 263600, 273485, 326864, 408580, 437576, 510725, 514600, 546970, 817160, 875152, 1021450, 1029200, 1093940, 1367425, 1634320, 1695607, 2042900, 2187880, 2734850, 3391214, 4085800, 4375760, 5469700, 6782428, 8171600, 8478035, 10939400, 13564856, 16956070, 21878800, 27129712, 33912140, 42390175, 67824280, 84780350, 135648560, 169560700, 339121400, 678242800]

約数ペア:

[(1, 678242800), (2, 339121400), (4, 169560700), (5, 135648560), (8, 84780350), (10, 67824280), (16, 42390175), (20, 33912140), (25, 27129712), (31, 21878800), (40, 16956070), (50, 13564856), (62, 10939400), (80, 8478035), (83, 8171600), (100, 6782428), (124, 5469700), (155, 4375760), (166, 4085800), (200, 3391214), (248, 2734850), (310, 2187880), (332, 2042900), (400, 1695607), (415, 1634320), (496, 1367425), (620, 1093940), (659, 1029200), (664, 1021450), (775, 875152), (830, 817160), (1240, 546970), (1318, 514600), (1328, 510725), (1550, 437576), (1660, 408580), (2075, 326864), (2480, 273485), (2573, 263600), (2636, 257300), (3100, 218788), (3295, 205840), (3320, 204290), (4150, 163432), (5146, 131800), (5272, 128650), (6200, 109394), (6590, 102920), (6640, 102145), (8300, 81716), (10292, 65900), (10544, 64325), (12400, 54697), (12865, 52720), (13180, 51460), (16475, 41168), (16600, 40858), (20429, 33200), (20584, 32950), (25730, 26360)]