643859840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4073}}^1$

素因数の和:4124

約数の個数: 128

約数和(自身を含む): 1745301600

約数和(自身を除く): 1101441760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4073, 4160, 4940, 6080, 7904, 8146, 8320, 9880, 12160, 15808, 16292, 19760, 20365, 31616, 32584, 39520, 40730, 52949, 65168, 77387, 79040, 81460, 105898, 130336, 154774, 158080, 162920, 211796, 260672, 264745, 309548, 325840, 386935, 423592, 521344, 529490, 619096, 651680, 773870, 847184, 1006031, 1058980, 1238192, 1303360, 1547740, 1694368, 2012062, 2117960, 2476384, 2606720, 3095480, 3388736, 4024124, 4235920, 4952768, 5030155, 6190960, 6777472, 8048248, 8471840, 9905536, 10060310, 12381920, 16096496, 16943680, 20120620, 24763840, 32192992, 33887360, 40241240, 49527680, 64385984, 80482480, 128771968, 160964960, 321929920, 643859840]

約数ペア:

[(1, 643859840), (2, 321929920), (4, 160964960), (5, 128771968), (8, 80482480), (10, 64385984), (13, 49527680), (16, 40241240), (19, 33887360), (20, 32192992), (26, 24763840), (32, 20120620), (38, 16943680), (40, 16096496), (52, 12381920), (64, 10060310), (65, 9905536), (76, 8471840), (80, 8048248), (95, 6777472), (104, 6190960), (128, 5030155), (130, 4952768), (152, 4235920), (160, 4024124), (190, 3388736), (208, 3095480), (247, 2606720), (260, 2476384), (304, 2117960), (320, 2012062), (380, 1694368), (416, 1547740), (494, 1303360), (520, 1238192), (608, 1058980), (640, 1006031), (760, 847184), (832, 773870), (988, 651680), (1040, 619096), (1216, 529490), (1235, 521344), (1520, 423592), (1664, 386935), (1976, 325840), (2080, 309548), (2432, 264745), (2470, 260672), (3040, 211796), (3952, 162920), (4073, 158080), (4160, 154774), (4940, 130336), (6080, 105898), (7904, 81460), (8146, 79040), (8320, 77387), (9880, 65168), (12160, 52949), (15808, 40730), (16292, 39520), (19760, 32584), (20365, 31616)]