61671920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 153391968

約数和(自身を除く): 91720048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 331, 340, 548, 662, 680, 685, 1096, 1324, 1360, 1370, 1655, 2192, 2329, 2648, 2740, 3310, 4658, 5296, 5480, 5627, 6620, 9316, 10960, 11254, 11645, 13240, 18632, 22508, 23290, 26480, 28135, 37264, 45016, 45347, 46580, 56270, 90032, 90694, 93160, 112540, 181388, 186320, 225080, 226735, 362776, 450160, 453470, 725552, 770899, 906940, 1541798, 1813880, 3083596, 3627760, 3854495, 6167192, 7708990, 12334384, 15417980, 30835960, 61671920]

約数ペア:

[(1, 61671920), (2, 30835960), (4, 15417980), (5, 12334384), (8, 7708990), (10, 6167192), (16, 3854495), (17, 3627760), (20, 3083596), (34, 1813880), (40, 1541798), (68, 906940), (80, 770899), (85, 725552), (136, 453470), (137, 450160), (170, 362776), (272, 226735), (274, 225080), (331, 186320), (340, 181388), (548, 112540), (662, 93160), (680, 90694), (685, 90032), (1096, 56270), (1324, 46580), (1360, 45347), (1370, 45016), (1655, 37264), (2192, 28135), (2329, 26480), (2648, 23290), (2740, 22508), (3310, 18632), (4658, 13240), (5296, 11645), (5480, 11254), (5627, 10960), (6620, 9316)]