128293620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23497}}^1$

素因数の和:23529

約数の個数: 96

約数和(自身を含む): 442138368

約数和(自身を除く): 313844748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 23497, 46994, 70491, 93988, 117485, 140982, 164479, 234970, 281964, 305461, 328958, 352455, 469940, 493437, 610922, 657916, 704910, 822395, 916383, 986874, 1221844, 1409820, 1527305, 1644790, 1832766, 1973748, 2138227, 2467185, 3054610, 3289580, 3665532, 4276454, 4581915, 4934370, 6109220, 6414681, 8552908, 9163830, 9868740, 10691135, 12829362, 18327660, 21382270, 25658724, 32073405, 42764540, 64146810, 128293620]

約数ペア:

[(1, 128293620), (2, 64146810), (3, 42764540), (4, 32073405), (5, 25658724), (6, 21382270), (7, 18327660), (10, 12829362), (12, 10691135), (13, 9868740), (14, 9163830), (15, 8552908), (20, 6414681), (21, 6109220), (26, 4934370), (28, 4581915), (30, 4276454), (35, 3665532), (39, 3289580), (42, 3054610), (52, 2467185), (60, 2138227), (65, 1973748), (70, 1832766), (78, 1644790), (84, 1527305), (91, 1409820), (105, 1221844), (130, 986874), (140, 916383), (156, 822395), (182, 704910), (195, 657916), (210, 610922), (260, 493437), (273, 469940), (364, 352455), (390, 328958), (420, 305461), (455, 281964), (546, 234970), (780, 164479), (910, 140982), (1092, 117485), (1365, 93988), (1820, 70491), (2730, 46994), (5460, 23497)]