164048520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 508717440

約数和(自身を除く): 344668920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 73, 120, 122, 146, 183, 219, 244, 292, 305, 307, 365, 366, 438, 488, 584, 610, 614, 730, 732, 876, 915, 921, 1095, 1220, 1228, 1460, 1464, 1535, 1752, 1830, 1842, 2190, 2440, 2456, 2920, 3070, 3660, 3684, 4380, 4453, 4605, 6140, 7320, 7368, 8760, 8906, 9210, 12280, 13359, 17812, 18420, 18727, 22265, 22411, 26718, 35624, 36840, 37454, 44530, 44822, 53436, 56181, 66795, 67233, 74908, 89060, 89644, 93635, 106872, 112055, 112362, 133590, 134466, 149816, 178120, 179288, 187270, 224110, 224724, 267180, 268932, 280905, 336165, 374540, 448220, 449448, 534360, 537864, 561810, 672330, 749080, 896440, 1123620, 1344660, 1367071, 2247240, 2689320, 2734142, 4101213, 5468284, 6835355, 8202426, 10936568, 13670710, 16404852, 20506065, 27341420, 32809704, 41012130, 54682840, 82024260, 164048520]

約数ペア:

[(1, 164048520), (2, 82024260), (3, 54682840), (4, 41012130), (5, 32809704), (6, 27341420), (8, 20506065), (10, 16404852), (12, 13670710), (15, 10936568), (20, 8202426), (24, 6835355), (30, 5468284), (40, 4101213), (60, 2734142), (61, 2689320), (73, 2247240), (120, 1367071), (122, 1344660), (146, 1123620), (183, 896440), (219, 749080), (244, 672330), (292, 561810), (305, 537864), (307, 534360), (365, 449448), (366, 448220), (438, 374540), (488, 336165), (584, 280905), (610, 268932), (614, 267180), (730, 224724), (732, 224110), (876, 187270), (915, 179288), (921, 178120), (1095, 149816), (1220, 134466), (1228, 133590), (1460, 112362), (1464, 112055), (1535, 106872), (1752, 93635), (1830, 89644), (1842, 89060), (2190, 74908), (2440, 67233), (2456, 66795), (2920, 56181), (3070, 53436), (3660, 44822), (3684, 44530), (4380, 37454), (4453, 36840), (4605, 35624), (6140, 26718), (7320, 22411), (7368, 22265), (8760, 18727), (8906, 18420), (9210, 17812), (12280, 13359)]