644661120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10831}}^1$

素因数の和:10884

約数の個数: 128

約数和(自身を含む): 2121338880

約数和(自身を除く): 1476677760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 10831, 11904, 14880, 19840, 21662, 29760, 32493, 43324, 54155, 59520, 64986, 86648, 108310, 129972, 162465, 173296, 216620, 259944, 324930, 335761, 346592, 433240, 519888, 649860, 671522, 693184, 866480, 1007283, 1039776, 1299720, 1343044, 1386368, 1678805, 1732960, 2014566, 2079552, 2599440, 2686088, 3357610, 3465920, 4029132, 4159104, 5036415, 5198880, 5372176, 6715220, 6931840, 8058264, 10072830, 10397760, 10744352, 13430440, 16116528, 20145660, 20795520, 21488704, 26860880, 32233056, 40291320, 42977408, 53721760, 64466112, 80582640, 107443520, 128932224, 161165280, 214887040, 322330560, 644661120]

約数ペア:

[(1, 644661120), (2, 322330560), (3, 214887040), (4, 161165280), (5, 128932224), (6, 107443520), (8, 80582640), (10, 64466112), (12, 53721760), (15, 42977408), (16, 40291320), (20, 32233056), (24, 26860880), (30, 21488704), (31, 20795520), (32, 20145660), (40, 16116528), (48, 13430440), (60, 10744352), (62, 10397760), (64, 10072830), (80, 8058264), (93, 6931840), (96, 6715220), (120, 5372176), (124, 5198880), (128, 5036415), (155, 4159104), (160, 4029132), (186, 3465920), (192, 3357610), (240, 2686088), (248, 2599440), (310, 2079552), (320, 2014566), (372, 1732960), (384, 1678805), (465, 1386368), (480, 1343044), (496, 1299720), (620, 1039776), (640, 1007283), (744, 866480), (930, 693184), (960, 671522), (992, 649860), (1240, 519888), (1488, 433240), (1860, 346592), (1920, 335761), (1984, 324930), (2480, 259944), (2976, 216620), (3720, 173296), (3968, 162465), (4960, 129972), (5952, 108310), (7440, 86648), (9920, 64986), (10831, 59520), (11904, 54155), (14880, 43324), (19840, 32493), (21662, 29760)]