1758640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 4687200

約数和(自身を除く): 2928560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 89, 95, 104, 130, 152, 178, 190, 208, 247, 260, 304, 356, 380, 445, 494, 520, 712, 760, 890, 988, 1040, 1157, 1235, 1424, 1520, 1691, 1780, 1976, 2314, 2470, 3382, 3560, 3952, 4628, 4940, 5785, 6764, 7120, 8455, 9256, 9880, 11570, 13528, 16910, 18512, 19760, 21983, 23140, 27056, 33820, 43966, 46280, 67640, 87932, 92560, 109915, 135280, 175864, 219830, 351728, 439660, 879320, 1758640]

約数ペア:

[(1, 1758640), (2, 879320), (4, 439660), (5, 351728), (8, 219830), (10, 175864), (13, 135280), (16, 109915), (19, 92560), (20, 87932), (26, 67640), (38, 46280), (40, 43966), (52, 33820), (65, 27056), (76, 23140), (80, 21983), (89, 19760), (95, 18512), (104, 16910), (130, 13528), (152, 11570), (178, 9880), (190, 9256), (208, 8455), (247, 7120), (260, 6764), (304, 5785), (356, 4940), (380, 4628), (445, 3952), (494, 3560), (520, 3382), (712, 2470), (760, 2314), (890, 1976), (988, 1780), (1040, 1691), (1157, 1520), (1235, 1424)]