180223670320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1\times {\mathrm{76519}}^1$

素因数の和:77090

約数の個数: 80

約数和(自身を含む): 426981600000

約数和(自身を除く): 246757929680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 499, 590, 944, 998, 1180, 1996, 2360, 2495, 3992, 4720, 4990, 7984, 9980, 19960, 29441, 39920, 58882, 76519, 117764, 147205, 153038, 235528, 294410, 306076, 382595, 471056, 588820, 612152, 765190, 1177640, 1224304, 1530380, 2355280, 3060760, 4514621, 6121520, 9029242, 18058484, 22573105, 36116968, 38182981, 45146210, 72233936, 76365962, 90292420, 152731924, 180584840, 190914905, 305463848, 361169680, 381829810, 610927696, 763659620, 1527319240, 2252795879, 3054638480, 4505591758, 9011183516, 11263979395, 18022367032, 22527958790, 36044734064, 45055917580, 90111835160, 180223670320]

約数ペア:

[(1, 180223670320), (2, 90111835160), (4, 45055917580), (5, 36044734064), (8, 22527958790), (10, 18022367032), (16, 11263979395), (20, 9011183516), (40, 4505591758), (59, 3054638480), (80, 2252795879), (118, 1527319240), (236, 763659620), (295, 610927696), (472, 381829810), (499, 361169680), (590, 305463848), (944, 190914905), (998, 180584840), (1180, 152731924), (1996, 90292420), (2360, 76365962), (2495, 72233936), (3992, 45146210), (4720, 38182981), (4990, 36116968), (7984, 22573105), (9980, 18058484), (19960, 9029242), (29441, 6121520), (39920, 4514621), (58882, 3060760), (76519, 2355280), (117764, 1530380), (147205, 1224304), (153038, 1177640), (235528, 765190), (294410, 612152), (306076, 588820), (382595, 471056)]