72308912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 158219040

約数和(自身を除く): 85910128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 61, 82, 104, 122, 139, 164, 208, 244, 278, 328, 488, 533, 556, 656, 793, 976, 1066, 1112, 1586, 1807, 2132, 2224, 2501, 3172, 3614, 4264, 5002, 5699, 6344, 7228, 8479, 8528, 10004, 11398, 12688, 14456, 16958, 20008, 22796, 28912, 32513, 33916, 40016, 45592, 65026, 67832, 74087, 91184, 110227, 130052, 135664, 148174, 220454, 260104, 296348, 347639, 440908, 520208, 592696, 695278, 881816, 1185392, 1390556, 1763632, 2781112, 4519307, 5562224, 9038614, 18077228, 36154456, 72308912]

約数ペア:

[(1, 72308912), (2, 36154456), (4, 18077228), (8, 9038614), (13, 5562224), (16, 4519307), (26, 2781112), (41, 1763632), (52, 1390556), (61, 1185392), (82, 881816), (104, 695278), (122, 592696), (139, 520208), (164, 440908), (208, 347639), (244, 296348), (278, 260104), (328, 220454), (488, 148174), (533, 135664), (556, 130052), (656, 110227), (793, 91184), (976, 74087), (1066, 67832), (1112, 65026), (1586, 45592), (1807, 40016), (2132, 33916), (2224, 32513), (2501, 28912), (3172, 22796), (3614, 20008), (4264, 16958), (5002, 14456), (5699, 12688), (6344, 11398), (7228, 10004), (8479, 8528)]