4581988480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1471}}^1$

素因数の和:1678

約数の個数: 128

約数和(自身を含む): 11386920960

約数和(自身を除く): 6804932480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 248, 310, 314, 320, 496, 620, 628, 640, 785, 992, 1240, 1256, 1471, 1570, 1984, 2480, 2512, 2942, 3140, 3968, 4867, 4960, 5024, 5884, 6280, 7355, 9734, 9920, 10048, 11768, 12560, 14710, 19468, 19840, 20096, 23536, 24335, 25120, 29420, 38936, 45601, 47072, 48670, 50240, 58840, 77872, 91202, 94144, 97340, 100480, 117680, 155744, 182404, 188288, 194680, 228005, 230947, 235360, 311488, 364808, 389360, 456010, 461894, 470720, 622976, 729616, 778720, 912020, 923788, 941440, 1154735, 1459232, 1557440, 1824040, 1847576, 2309470, 2918464, 3114880, 3648080, 3695152, 4618940, 5836928, 7159357, 7296160, 7390304, 9237880, 14318714, 14592320, 14780608, 18475760, 28637428, 29184640, 29561216, 35796785, 36951520, 57274856, 71593570, 73903040, 114549712, 143187140, 147806080, 229099424, 286374280, 458198848, 572748560, 916397696, 1145497120, 2290994240, 4581988480]

約数ペア:

[(1, 4581988480), (2, 2290994240), (4, 1145497120), (5, 916397696), (8, 572748560), (10, 458198848), (16, 286374280), (20, 229099424), (31, 147806080), (32, 143187140), (40, 114549712), (62, 73903040), (64, 71593570), (80, 57274856), (124, 36951520), (128, 35796785), (155, 29561216), (157, 29184640), (160, 28637428), (248, 18475760), (310, 14780608), (314, 14592320), (320, 14318714), (496, 9237880), (620, 7390304), (628, 7296160), (640, 7159357), (785, 5836928), (992, 4618940), (1240, 3695152), (1256, 3648080), (1471, 3114880), (1570, 2918464), (1984, 2309470), (2480, 1847576), (2512, 1824040), (2942, 1557440), (3140, 1459232), (3968, 1154735), (4867, 941440), (4960, 923788), (5024, 912020), (5884, 778720), (6280, 729616), (7355, 622976), (9734, 470720), (9920, 461894), (10048, 456010), (11768, 389360), (12560, 364808), (14710, 311488), (19468, 235360), (19840, 230947), (20096, 228005), (23536, 194680), (24335, 188288), (25120, 182404), (29420, 155744), (38936, 117680), (45601, 100480), (47072, 97340), (48670, 94144), (50240, 91202), (58840, 77872)]