145403440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:20006

約数の個数: 80

約数和(自身を含む): 416098368

約数和(自身を除く): 270694928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 19973, 39946, 79892, 99865, 139811, 159784, 199730, 259649, 279622, 319568, 399460, 519298, 559244, 699055, 798920, 1038596, 1118488, 1298245, 1398110, 1597840, 1817543, 2077192, 2236976, 2596490, 2796220, 3635086, 4154384, 5192980, 5592440, 7270172, 9087715, 10385960, 11184880, 14540344, 18175430, 20771920, 29080688, 36350860, 72701720, 145403440]

約数ペア:

[(1, 145403440), (2, 72701720), (4, 36350860), (5, 29080688), (7, 20771920), (8, 18175430), (10, 14540344), (13, 11184880), (14, 10385960), (16, 9087715), (20, 7270172), (26, 5592440), (28, 5192980), (35, 4154384), (40, 3635086), (52, 2796220), (56, 2596490), (65, 2236976), (70, 2077192), (80, 1817543), (91, 1597840), (104, 1398110), (112, 1298245), (130, 1118488), (140, 1038596), (182, 798920), (208, 699055), (260, 559244), (280, 519298), (364, 399460), (455, 319568), (520, 279622), (560, 259649), (728, 199730), (910, 159784), (1040, 139811), (1456, 99865), (1820, 79892), (3640, 39946), (7280, 19973)]