7761520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12862160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 439, 442, 520, 680, 878, 884, 1040, 1105, 1360, 1756, 1768, 2195, 2210, 3512, 3536, 4390, 4420, 5707, 7024, 7463, 8780, 8840, 11414, 14926, 17560, 17680, 22828, 28535, 29852, 35120, 37315, 45656, 57070, 59704, 74630, 91312, 97019, 114140, 119408, 149260, 194038, 228280, 298520, 388076, 456560, 485095, 597040, 776152, 970190, 1552304, 1940380, 3880760, 7761520]

約数ペア:

[(1, 7761520), (2, 3880760), (4, 1940380), (5, 1552304), (8, 970190), (10, 776152), (13, 597040), (16, 485095), (17, 456560), (20, 388076), (26, 298520), (34, 228280), (40, 194038), (52, 149260), (65, 119408), (68, 114140), (80, 97019), (85, 91312), (104, 74630), (130, 59704), (136, 57070), (170, 45656), (208, 37315), (221, 35120), (260, 29852), (272, 28535), (340, 22828), (439, 17680), (442, 17560), (520, 14926), (680, 11414), (878, 8840), (884, 8780), (1040, 7463), (1105, 7024), (1360, 5707), (1756, 4420), (1768, 4390), (2195, 3536), (2210, 3512)]