355611280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 868944384

約数和(自身を除く): 513333104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 230, 314, 368, 460, 628, 785, 920, 1231, 1256, 1570, 1840, 2462, 2512, 3140, 3611, 4924, 6155, 6280, 7222, 9848, 12310, 12560, 14444, 18055, 19696, 24620, 28313, 28888, 36110, 49240, 56626, 57776, 72220, 98480, 113252, 141565, 144440, 193267, 226504, 283130, 288880, 386534, 453008, 566260, 773068, 966335, 1132520, 1546136, 1932670, 2265040, 3092272, 3865340, 4445141, 7730680, 8890282, 15461360, 17780564, 22225705, 35561128, 44451410, 71122256, 88902820, 177805640, 355611280]

約数ペア:

[(1, 355611280), (2, 177805640), (4, 88902820), (5, 71122256), (8, 44451410), (10, 35561128), (16, 22225705), (20, 17780564), (23, 15461360), (40, 8890282), (46, 7730680), (80, 4445141), (92, 3865340), (115, 3092272), (157, 2265040), (184, 1932670), (230, 1546136), (314, 1132520), (368, 966335), (460, 773068), (628, 566260), (785, 453008), (920, 386534), (1231, 288880), (1256, 283130), (1570, 226504), (1840, 193267), (2462, 144440), (2512, 141565), (3140, 113252), (3611, 98480), (4924, 72220), (6155, 57776), (6280, 56626), (7222, 49240), (9848, 36110), (12310, 28888), (12560, 28313), (14444, 24620), (18055, 19696)]