242158280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 680762880

約数和(自身を除く): 438604600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 910, 923, 937, 994, 1420, 1820, 1846, 1874, 1988, 2485, 2840, 3640, 3692, 3748, 3976, 4615, 4685, 4970, 6461, 6559, 7384, 7496, 9230, 9370, 9940, 12181, 12922, 13118, 18460, 18740, 19880, 24362, 25844, 26236, 32305, 32795, 36920, 37480, 48724, 51688, 52472, 60905, 64610, 65590, 66527, 85267, 97448, 121810, 129220, 131180, 133054, 170534, 243620, 258440, 262360, 266108, 332635, 341068, 426335, 465689, 487240, 532216, 665270, 682136, 852670, 864851, 931378, 1330540, 1705340, 1729702, 1862756, 2328445, 2661080, 3410680, 3459404, 3725512, 4324255, 4656890, 6053957, 6918808, 8648510, 9313780, 12107914, 17297020, 18627560, 24215828, 30269785, 34594040, 48431656, 60539570, 121079140, 242158280]

約数ペア:

[(1, 242158280), (2, 121079140), (4, 60539570), (5, 48431656), (7, 34594040), (8, 30269785), (10, 24215828), (13, 18627560), (14, 17297020), (20, 12107914), (26, 9313780), (28, 8648510), (35, 6918808), (40, 6053957), (52, 4656890), (56, 4324255), (65, 3725512), (70, 3459404), (71, 3410680), (91, 2661080), (104, 2328445), (130, 1862756), (140, 1729702), (142, 1705340), (182, 1330540), (260, 931378), (280, 864851), (284, 852670), (355, 682136), (364, 665270), (455, 532216), (497, 487240), (520, 465689), (568, 426335), (710, 341068), (728, 332635), (910, 266108), (923, 262360), (937, 258440), (994, 243620), (1420, 170534), (1820, 133054), (1846, 131180), (1874, 129220), (1988, 121810), (2485, 97448), (2840, 85267), (3640, 66527), (3692, 65590), (3748, 64610), (3976, 60905), (4615, 52472), (4685, 51688), (4970, 48724), (6461, 37480), (6559, 36920), (7384, 32795), (7496, 32305), (9230, 26236), (9370, 25844), (9940, 24362), (12181, 19880), (12922, 18740), (13118, 18460)]