80291120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 236234880

約数和(自身を除く): 155943760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 140, 164, 182, 205, 208, 260, 269, 280, 287, 328, 364, 410, 455, 520, 533, 538, 560, 574, 656, 728, 820, 910, 1040, 1066, 1076, 1148, 1345, 1435, 1456, 1640, 1820, 1883, 2132, 2152, 2296, 2665, 2690, 2870, 3280, 3497, 3640, 3731, 3766, 4264, 4304, 4592, 5330, 5380, 5740, 6994, 7280, 7462, 7532, 8528, 9415, 10660, 10760, 11029, 11480, 13988, 14924, 15064, 17485, 18655, 18830, 21320, 21520, 22058, 22960, 24479, 27976, 29848, 30128, 34970, 37310, 37660, 42640, 44116, 48958, 55145, 55952, 59696, 69940, 74620, 75320, 77203, 88232, 97916, 110290, 122395, 139880, 143377, 149240, 150640, 154406, 176464, 195832, 220580, 244790, 279760, 286754, 298480, 308812, 386015, 391664, 441160, 489580, 573508, 617624, 716885, 772030, 882320, 979160, 1003639, 1147016, 1235248, 1433770, 1544060, 1958320, 2007278, 2294032, 2867540, 3088120, 4014556, 5018195, 5735080, 6176240, 8029112, 10036390, 11470160, 16058224, 20072780, 40145560, 80291120]

約数ペア:

[(1, 80291120), (2, 40145560), (4, 20072780), (5, 16058224), (7, 11470160), (8, 10036390), (10, 8029112), (13, 6176240), (14, 5735080), (16, 5018195), (20, 4014556), (26, 3088120), (28, 2867540), (35, 2294032), (40, 2007278), (41, 1958320), (52, 1544060), (56, 1433770), (65, 1235248), (70, 1147016), (80, 1003639), (82, 979160), (91, 882320), (104, 772030), (112, 716885), (130, 617624), (140, 573508), (164, 489580), (182, 441160), (205, 391664), (208, 386015), (260, 308812), (269, 298480), (280, 286754), (287, 279760), (328, 244790), (364, 220580), (410, 195832), (455, 176464), (520, 154406), (533, 150640), (538, 149240), (560, 143377), (574, 139880), (656, 122395), (728, 110290), (820, 97916), (910, 88232), (1040, 77203), (1066, 75320), (1076, 74620), (1148, 69940), (1345, 59696), (1435, 55952), (1456, 55145), (1640, 48958), (1820, 44116), (1883, 42640), (2132, 37660), (2152, 37310), (2296, 34970), (2665, 30128), (2690, 29848), (2870, 27976), (3280, 24479), (3497, 22960), (3640, 22058), (3731, 21520), (3766, 21320), (4264, 18830), (4304, 18655), (4592, 17485), (5330, 15064), (5380, 14924), (5740, 13988), (6994, 11480), (7280, 11029), (7462, 10760), (7532, 10660), (8528, 9415)]