642260480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8093}}^1$

素因数の和:8147

約数の個数: 80

約数和(自身を含む): 1589791104

約数和(自身を除く): 947530624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 8093, 9920, 15872, 16186, 19840, 32372, 39680, 40465, 64744, 79360, 80930, 129488, 161860, 250883, 258976, 323720, 501766, 517952, 647440, 1003532, 1035904, 1254415, 1294880, 2007064, 2071808, 2508830, 2589760, 4014128, 4143616, 5017660, 5179520, 8028256, 10035320, 10359040, 16056512, 20070640, 20718080, 32113024, 40141280, 64226048, 80282560, 128452096, 160565120, 321130240, 642260480]

約数ペア:

[(1, 642260480), (2, 321130240), (4, 160565120), (5, 128452096), (8, 80282560), (10, 64226048), (16, 40141280), (20, 32113024), (31, 20718080), (32, 20070640), (40, 16056512), (62, 10359040), (64, 10035320), (80, 8028256), (124, 5179520), (128, 5017660), (155, 4143616), (160, 4014128), (248, 2589760), (256, 2508830), (310, 2071808), (320, 2007064), (496, 1294880), (512, 1254415), (620, 1035904), (640, 1003532), (992, 647440), (1240, 517952), (1280, 501766), (1984, 323720), (2480, 258976), (2560, 250883), (3968, 161860), (4960, 129488), (7936, 80930), (8093, 79360), (9920, 64744), (15872, 40465), (16186, 39680), (19840, 32372)]