123343840

素因数分解:

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

素因数の和:500

約数の個数: 96

約数和(自身を含む): 311732064

約数和(自身を除く): 188388224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 137, 160, 170, 272, 274, 331, 340, 544, 548, 662, 680, 685, 1096, 1324, 1360, 1370, 1655, 2192, 2329, 2648, 2720, 2740, 3310, 4384, 4658, 5296, 5480, 5627, 6620, 9316, 10592, 10960, 11254, 11645, 13240, 18632, 21920, 22508, 23290, 26480, 28135, 37264, 45016, 45347, 46580, 52960, 56270, 74528, 90032, 90694, 93160, 112540, 180064, 181388, 186320, 225080, 226735, 362776, 372640, 450160, 453470, 725552, 770899, 900320, 906940, 1451104, 1541798, 1813880, 3083596, 3627760, 3854495, 6167192, 7255520, 7708990, 12334384, 15417980, 24668768, 30835960, 61671920, 123343840]

約数ペア:

[(1, 123343840), (2, 61671920), (4, 30835960), (5, 24668768), (8, 15417980), (10, 12334384), (16, 7708990), (17, 7255520), (20, 6167192), (32, 3854495), (34, 3627760), (40, 3083596), (68, 1813880), (80, 1541798), (85, 1451104), (136, 906940), (137, 900320), (160, 770899), (170, 725552), (272, 453470), (274, 450160), (331, 372640), (340, 362776), (544, 226735), (548, 225080), (662, 186320), (680, 181388), (685, 180064), (1096, 112540), (1324, 93160), (1360, 90694), (1370, 90032), (1655, 74528), (2192, 56270), (2329, 52960), (2648, 46580), (2720, 45347), (2740, 45016), (3310, 37264), (4384, 28135), (4658, 26480), (5296, 23290), (5480, 22508), (5627, 21920), (6620, 18632), (9316, 13240), (10592, 11645), (10960, 11254)]