156893360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 395037216

約数和(自身を除く): 238143856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 257, 260, 514, 520, 587, 1028, 1040, 1174, 1285, 2056, 2348, 2570, 2935, 3341, 4112, 4696, 5140, 5870, 6682, 7631, 9392, 10280, 11740, 13364, 15262, 16705, 20560, 23480, 26728, 30524, 33410, 38155, 46960, 53456, 61048, 66820, 76310, 122096, 133640, 150859, 152620, 267280, 301718, 305240, 603436, 610480, 754295, 1206872, 1508590, 1961167, 2413744, 3017180, 3922334, 6034360, 7844668, 9805835, 12068720, 15689336, 19611670, 31378672, 39223340, 78446680, 156893360]

約数ペア:

[(1, 156893360), (2, 78446680), (4, 39223340), (5, 31378672), (8, 19611670), (10, 15689336), (13, 12068720), (16, 9805835), (20, 7844668), (26, 6034360), (40, 3922334), (52, 3017180), (65, 2413744), (80, 1961167), (104, 1508590), (130, 1206872), (208, 754295), (257, 610480), (260, 603436), (514, 305240), (520, 301718), (587, 267280), (1028, 152620), (1040, 150859), (1174, 133640), (1285, 122096), (2056, 76310), (2348, 66820), (2570, 61048), (2935, 53456), (3341, 46960), (4112, 38155), (4696, 33410), (5140, 30524), (5870, 26728), (6682, 23480), (7631, 20560), (9392, 16705), (10280, 15262), (11740, 13364)]