87361240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 122590760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1619, 2698, 2840, 3238, 5396, 6476, 6745, 8095, 10792, 12952, 13490, 16190, 26980, 30761, 32380, 53960, 61522, 64760, 114949, 123044, 153805, 229898, 246088, 307610, 459796, 574745, 615220, 919592, 1149490, 1230440, 2184031, 2298980, 4368062, 4597960, 8736124, 10920155, 17472248, 21840310, 43680620, 87361240]

約数ペア:

[(1, 87361240), (2, 43680620), (4, 21840310), (5, 17472248), (8, 10920155), (10, 8736124), (19, 4597960), (20, 4368062), (38, 2298980), (40, 2184031), (71, 1230440), (76, 1149490), (95, 919592), (142, 615220), (152, 574745), (190, 459796), (284, 307610), (355, 246088), (380, 229898), (568, 153805), (710, 123044), (760, 114949), (1349, 64760), (1420, 61522), (1619, 53960), (2698, 32380), (2840, 30761), (3238, 26980), (5396, 16190), (6476, 13490), (6745, 12952), (8095, 10792)]