81370320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14741}}^1$

素因数の和:14780

約数の個数: 80

約数和(自身を含む): 263233152

約数和(自身を除く): 181862832

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, 14741, 29482, 44223, 58964, 73705, 88446, 117928, 147410, 176892, 221115, 235856, 294820, 339043, 353784, 442230, 589640, 678086, 707568, 884460, 1017129, 1179280, 1356172, 1695215, 1768920, 2034258, 2712344, 3390430, 3537840, 4068516, 5085645, 5424688, 6780860, 8137032, 10171290, 13561720, 16274064, 20342580, 27123440, 40685160, 81370320]

約数ペア:

[(1, 81370320), (2, 40685160), (3, 27123440), (4, 20342580), (5, 16274064), (6, 13561720), (8, 10171290), (10, 8137032), (12, 6780860), (15, 5424688), (16, 5085645), (20, 4068516), (23, 3537840), (24, 3390430), (30, 2712344), (40, 2034258), (46, 1768920), (48, 1695215), (60, 1356172), (69, 1179280), (80, 1017129), (92, 884460), (115, 707568), (120, 678086), (138, 589640), (184, 442230), (230, 353784), (240, 339043), (276, 294820), (345, 235856), (368, 221115), (460, 176892), (552, 147410), (690, 117928), (920, 88446), (1104, 73705), (1380, 58964), (1840, 44223), (2760, 29482), (5520, 14741)]