312555880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5051}}^1$

素因数の和:5099

約数の個数: 128

約数和(自身を含む): 916634880

約数和(自身を除く): 604079000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 4420, 4760, 5051, 6188, 7735, 8840, 10102, 12376, 15470, 20204, 25255, 30940, 35357, 40408, 50510, 61880, 65663, 70714, 85867, 101020, 131326, 141428, 171734, 176785, 202040, 262652, 282856, 328315, 343468, 353570, 429335, 459641, 525304, 601069, 656630, 686936, 707140, 858670, 919282, 1116271, 1202138, 1313260, 1414280, 1717340, 1838564, 2232542, 2298205, 2404276, 2626520, 3005345, 3434680, 3677128, 4465084, 4596410, 4808552, 5581355, 6010690, 7813897, 8930168, 9192820, 11162710, 12021380, 15627794, 18385640, 22325420, 24042760, 31255588, 39069485, 44650840, 62511176, 78138970, 156277940, 312555880]

約数ペア:

[(1, 312555880), (2, 156277940), (4, 78138970), (5, 62511176), (7, 44650840), (8, 39069485), (10, 31255588), (13, 24042760), (14, 22325420), (17, 18385640), (20, 15627794), (26, 12021380), (28, 11162710), (34, 9192820), (35, 8930168), (40, 7813897), (52, 6010690), (56, 5581355), (65, 4808552), (68, 4596410), (70, 4465084), (85, 3677128), (91, 3434680), (104, 3005345), (119, 2626520), (130, 2404276), (136, 2298205), (140, 2232542), (170, 1838564), (182, 1717340), (221, 1414280), (238, 1313260), (260, 1202138), (280, 1116271), (340, 919282), (364, 858670), (442, 707140), (455, 686936), (476, 656630), (520, 601069), (595, 525304), (680, 459641), (728, 429335), (884, 353570), (910, 343468), (952, 328315), (1105, 282856), (1190, 262652), (1547, 202040), (1768, 176785), (1820, 171734), (2210, 141428), (2380, 131326), (3094, 101020), (3640, 85867), (4420, 70714), (4760, 65663), (5051, 61880), (6188, 50510), (7735, 40408), (8840, 35357), (10102, 30940), (12376, 25255), (15470, 20204)]