221631240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 689109120

約数和(自身を除く): 467477880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 107, 120, 123, 164, 205, 214, 246, 321, 328, 410, 421, 428, 492, 535, 615, 642, 820, 842, 856, 984, 1070, 1230, 1263, 1284, 1605, 1640, 1684, 2105, 2140, 2460, 2526, 2568, 3210, 3368, 4210, 4280, 4387, 4920, 5052, 6315, 6420, 8420, 8774, 10104, 12630, 12840, 13161, 16840, 17261, 17548, 21935, 25260, 26322, 34522, 35096, 43870, 45047, 50520, 51783, 52644, 65805, 69044, 86305, 87740, 90094, 103566, 105288, 131610, 135141, 138088, 172610, 175480, 180188, 207132, 225235, 258915, 263220, 270282, 345220, 360376, 414264, 450470, 517830, 526440, 540564, 675705, 690440, 900940, 1035660, 1081128, 1351410, 1801880, 1846927, 2071320, 2702820, 3693854, 5405640, 5540781, 7387708, 9234635, 11081562, 14775416, 18469270, 22163124, 27703905, 36938540, 44326248, 55407810, 73877080, 110815620, 221631240]

約数ペア:

[(1, 221631240), (2, 110815620), (3, 73877080), (4, 55407810), (5, 44326248), (6, 36938540), (8, 27703905), (10, 22163124), (12, 18469270), (15, 14775416), (20, 11081562), (24, 9234635), (30, 7387708), (40, 5540781), (41, 5405640), (60, 3693854), (82, 2702820), (107, 2071320), (120, 1846927), (123, 1801880), (164, 1351410), (205, 1081128), (214, 1035660), (246, 900940), (321, 690440), (328, 675705), (410, 540564), (421, 526440), (428, 517830), (492, 450470), (535, 414264), (615, 360376), (642, 345220), (820, 270282), (842, 263220), (856, 258915), (984, 225235), (1070, 207132), (1230, 180188), (1263, 175480), (1284, 172610), (1605, 138088), (1640, 135141), (1684, 131610), (2105, 105288), (2140, 103566), (2460, 90094), (2526, 87740), (2568, 86305), (3210, 69044), (3368, 65805), (4210, 52644), (4280, 51783), (4387, 50520), (4920, 45047), (5052, 43870), (6315, 35096), (6420, 34522), (8420, 26322), (8774, 25260), (10104, 21935), (12630, 17548), (12840, 17261), (13161, 16840)]