245002920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1095

約数の個数: 128

約数和(自身を含む): 770826240

約数和(自身を除く): 525823320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 93, 120, 124, 134, 155, 186, 201, 248, 268, 310, 335, 372, 402, 465, 536, 620, 670, 744, 804, 930, 983, 1005, 1240, 1340, 1608, 1860, 1966, 2010, 2077, 2680, 2949, 3720, 3932, 4020, 4154, 4915, 5898, 6231, 7864, 8040, 8308, 9830, 10385, 11796, 12462, 14745, 16616, 19660, 20770, 23592, 24924, 29490, 30473, 31155, 39320, 41540, 49848, 58980, 60946, 62310, 65861, 83080, 91419, 117960, 121892, 124620, 131722, 152365, 182838, 197583, 243784, 249240, 263444, 304730, 329305, 365676, 395166, 457095, 526888, 609460, 658610, 731352, 790332, 914190, 987915, 1218920, 1317220, 1580664, 1828380, 1975830, 2041691, 2634440, 3656760, 3951660, 4083382, 6125073, 7903320, 8166764, 10208455, 12250146, 16333528, 20416910, 24500292, 30625365, 40833820, 49000584, 61250730, 81667640, 122501460, 245002920]

約数ペア:

[(1, 245002920), (2, 122501460), (3, 81667640), (4, 61250730), (5, 49000584), (6, 40833820), (8, 30625365), (10, 24500292), (12, 20416910), (15, 16333528), (20, 12250146), (24, 10208455), (30, 8166764), (31, 7903320), (40, 6125073), (60, 4083382), (62, 3951660), (67, 3656760), (93, 2634440), (120, 2041691), (124, 1975830), (134, 1828380), (155, 1580664), (186, 1317220), (201, 1218920), (248, 987915), (268, 914190), (310, 790332), (335, 731352), (372, 658610), (402, 609460), (465, 526888), (536, 457095), (620, 395166), (670, 365676), (744, 329305), (804, 304730), (930, 263444), (983, 249240), (1005, 243784), (1240, 197583), (1340, 182838), (1608, 152365), (1860, 131722), (1966, 124620), (2010, 121892), (2077, 117960), (2680, 91419), (2949, 83080), (3720, 65861), (3932, 62310), (4020, 60946), (4154, 58980), (4915, 49848), (5898, 41540), (6231, 39320), (7864, 31155), (8040, 30473), (8308, 29490), (9830, 24924), (10385, 23592), (11796, 20770), (12462, 19660), (14745, 16616)]