121805320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 341510400

約数和(自身を除く): 219705080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 307, 364, 436, 455, 520, 545, 614, 728, 763, 872, 910, 1090, 1228, 1417, 1526, 1535, 1820, 2149, 2180, 2456, 2834, 3052, 3070, 3640, 3815, 3991, 4298, 4360, 5668, 6104, 6140, 7085, 7630, 7982, 8596, 9919, 10745, 11336, 12280, 14170, 15260, 15964, 17192, 19838, 19955, 21490, 27937, 28340, 30520, 31928, 33463, 39676, 39910, 42980, 49595, 55874, 56680, 66926, 79352, 79820, 85960, 99190, 111748, 133852, 139685, 159640, 167315, 198380, 223496, 234241, 267704, 279370, 334630, 396760, 435019, 468482, 558740, 669260, 870038, 936964, 1117480, 1171205, 1338520, 1740076, 1873928, 2175095, 2342410, 3045133, 3480152, 4350190, 4684820, 6090266, 8700380, 9369640, 12180532, 15225665, 17400760, 24361064, 30451330, 60902660, 121805320]

約数ペア:

[(1, 121805320), (2, 60902660), (4, 30451330), (5, 24361064), (7, 17400760), (8, 15225665), (10, 12180532), (13, 9369640), (14, 8700380), (20, 6090266), (26, 4684820), (28, 4350190), (35, 3480152), (40, 3045133), (52, 2342410), (56, 2175095), (65, 1873928), (70, 1740076), (91, 1338520), (104, 1171205), (109, 1117480), (130, 936964), (140, 870038), (182, 669260), (218, 558740), (260, 468482), (280, 435019), (307, 396760), (364, 334630), (436, 279370), (455, 267704), (520, 234241), (545, 223496), (614, 198380), (728, 167315), (763, 159640), (872, 139685), (910, 133852), (1090, 111748), (1228, 99190), (1417, 85960), (1526, 79820), (1535, 79352), (1820, 66926), (2149, 56680), (2180, 55874), (2456, 49595), (2834, 42980), (3052, 39910), (3070, 39676), (3640, 33463), (3815, 31928), (3991, 30520), (4298, 28340), (4360, 27937), (5668, 21490), (6104, 19955), (6140, 19838), (7085, 17192), (7630, 15964), (7982, 15260), (8596, 14170), (9919, 12280), (10745, 11336)]