821622016

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5515

約数の個数: 72

約数和(自身を含む): 1782368000

約数和(自身を除く): 960745984

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3968, 4712, 4864, 5449, 7936, 9424, 10898, 18848, 21796, 37696, 43592, 75392, 87184, 103531, 150784, 168919, 174368, 207062, 337838, 348736, 414124, 675676, 697472, 828248, 1351352, 1394944, 1656496, 2702704, 3209461, 3312992, 5405408, 6418922, 6625984, 10810816, 12837844, 13251968, 21621632, 25675688, 26503936, 43243264, 51351376, 102702752, 205405504, 410811008, 821622016]

約数ペア:

[(1, 821622016), (2, 410811008), (4, 205405504), (8, 102702752), (16, 51351376), (19, 43243264), (31, 26503936), (32, 25675688), (38, 21621632), (62, 13251968), (64, 12837844), (76, 10810816), (124, 6625984), (128, 6418922), (152, 5405408), (248, 3312992), (256, 3209461), (304, 2702704), (496, 1656496), (589, 1394944), (608, 1351352), (992, 828248), (1178, 697472), (1216, 675676), (1984, 414124), (2356, 348736), (2432, 337838), (3968, 207062), (4712, 174368), (4864, 168919), (5449, 150784), (7936, 103531), (9424, 87184), (10898, 75392), (18848, 43592), (21796, 37696)]