74142080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 189768960

約数和(自身を除く): 115626880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 101, 124, 128, 148, 155, 160, 185, 202, 248, 296, 310, 320, 370, 404, 496, 505, 592, 620, 640, 740, 808, 992, 1010, 1147, 1184, 1240, 1480, 1616, 1984, 2020, 2294, 2368, 2480, 2960, 3131, 3232, 3737, 3968, 4040, 4588, 4736, 4960, 5735, 5920, 6262, 6464, 7474, 8080, 9176, 9920, 11470, 11840, 12524, 12928, 14948, 15655, 16160, 18352, 18685, 19840, 22940, 23680, 25048, 29896, 31310, 32320, 36704, 37370, 45880, 50096, 59792, 62620, 64640, 73408, 74740, 91760, 100192, 115847, 119584, 125240, 146816, 149480, 183520, 200384, 231694, 239168, 250480, 298960, 367040, 400768, 463388, 478336, 500960, 579235, 597920, 734080, 926776, 1001920, 1158470, 1195840, 1853552, 2003840, 2316940, 2391680, 3707104, 4633880, 7414208, 9267760, 14828416, 18535520, 37071040, 74142080]

約数ペア:

[(1, 74142080), (2, 37071040), (4, 18535520), (5, 14828416), (8, 9267760), (10, 7414208), (16, 4633880), (20, 3707104), (31, 2391680), (32, 2316940), (37, 2003840), (40, 1853552), (62, 1195840), (64, 1158470), (74, 1001920), (80, 926776), (101, 734080), (124, 597920), (128, 579235), (148, 500960), (155, 478336), (160, 463388), (185, 400768), (202, 367040), (248, 298960), (296, 250480), (310, 239168), (320, 231694), (370, 200384), (404, 183520), (496, 149480), (505, 146816), (592, 125240), (620, 119584), (640, 115847), (740, 100192), (808, 91760), (992, 74740), (1010, 73408), (1147, 64640), (1184, 62620), (1240, 59792), (1480, 50096), (1616, 45880), (1984, 37370), (2020, 36704), (2294, 32320), (2368, 31310), (2480, 29896), (2960, 25048), (3131, 23680), (3232, 22940), (3737, 19840), (3968, 18685), (4040, 18352), (4588, 16160), (4736, 15655), (4960, 14948), (5735, 12928), (5920, 12524), (6262, 11840), (6464, 11470), (7474, 9920), (8080, 9176)]