81513840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14767}}^1$

素因数の和:14806

約数の個数: 80

約数和(自身を含む): 263697408

約数和(自身を除く): 182183568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 14767, 29534, 44301, 59068, 73835, 88602, 118136, 147670, 177204, 221505, 236272, 295340, 339641, 354408, 443010, 590680, 679282, 708816, 886020, 1018923, 1181360, 1358564, 1698205, 1772040, 2037846, 2717128, 3396410, 3544080, 4075692, 5094615, 5434256, 6792820, 8151384, 10189230, 13585640, 16302768, 20378460, 27171280, 40756920, 81513840]

約数ペア:

[(1, 81513840), (2, 40756920), (3, 27171280), (4, 20378460), (5, 16302768), (6, 13585640), (8, 10189230), (10, 8151384), (12, 6792820), (15, 5434256), (16, 5094615), (20, 4075692), (23, 3544080), (24, 3396410), (30, 2717128), (40, 2037846), (46, 1772040), (48, 1698205), (60, 1358564), (69, 1181360), (80, 1018923), (92, 886020), (115, 708816), (120, 679282), (138, 590680), (184, 443010), (230, 354408), (240, 339641), (276, 295340), (345, 236272), (368, 221505), (460, 177204), (552, 147670), (690, 118136), (920, 88602), (1104, 73835), (1380, 59068), (1840, 44301), (2760, 29534), (5520, 14767)]