81669240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3719}}^1$

素因数の和:3797

約数の個数: 96

約数和(自身を含む): 269848800

約数和(自身を除く): 188179560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 3719, 4392, 5490, 7320, 7438, 10980, 11157, 14876, 18595, 21960, 22314, 29752, 33471, 37190, 44628, 55785, 66942, 74380, 89256, 111570, 133884, 148760, 167355, 223140, 226859, 267768, 334710, 446280, 453718, 669420, 680577, 907436, 1134295, 1338840, 1361154, 1814872, 2041731, 2268590, 2722308, 3402885, 4083462, 4537180, 5444616, 6805770, 8166924, 9074360, 10208655, 13611540, 16333848, 20417310, 27223080, 40834620, 81669240]

約数ペア:

[(1, 81669240), (2, 40834620), (3, 27223080), (4, 20417310), (5, 16333848), (6, 13611540), (8, 10208655), (9, 9074360), (10, 8166924), (12, 6805770), (15, 5444616), (18, 4537180), (20, 4083462), (24, 3402885), (30, 2722308), (36, 2268590), (40, 2041731), (45, 1814872), (60, 1361154), (61, 1338840), (72, 1134295), (90, 907436), (120, 680577), (122, 669420), (180, 453718), (183, 446280), (244, 334710), (305, 267768), (360, 226859), (366, 223140), (488, 167355), (549, 148760), (610, 133884), (732, 111570), (915, 89256), (1098, 74380), (1220, 66942), (1464, 55785), (1830, 44628), (2196, 37190), (2440, 33471), (2745, 29752), (3660, 22314), (3719, 21960), (4392, 18595), (5490, 14876), (7320, 11157), (7438, 10980)]