72405090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1349

約数の個数: 80

約数和(自身を含む): 197588160

約数和(自身を除く): 125183070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 142, 162, 213, 270, 355, 405, 426, 639, 710, 810, 1065, 1259, 1278, 1917, 2130, 2518, 3195, 3777, 3834, 5751, 6295, 6390, 7554, 9585, 11331, 11502, 12590, 18885, 19170, 22662, 28755, 33993, 37770, 56655, 57510, 67986, 89389, 101979, 113310, 169965, 178778, 203958, 268167, 339930, 446945, 509895, 536334, 804501, 893890, 1019790, 1340835, 1609002, 2413503, 2681670, 4022505, 4827006, 7240509, 8045010, 12067515, 14481018, 24135030, 36202545, 72405090]

約数ペア:

[(1, 72405090), (2, 36202545), (3, 24135030), (5, 14481018), (6, 12067515), (9, 8045010), (10, 7240509), (15, 4827006), (18, 4022505), (27, 2681670), (30, 2413503), (45, 1609002), (54, 1340835), (71, 1019790), (81, 893890), (90, 804501), (135, 536334), (142, 509895), (162, 446945), (213, 339930), (270, 268167), (355, 203958), (405, 178778), (426, 169965), (639, 113310), (710, 101979), (810, 89389), (1065, 67986), (1259, 57510), (1278, 56655), (1917, 37770), (2130, 33993), (2518, 28755), (3195, 22662), (3777, 19170), (3834, 18885), (5751, 12590), (6295, 11502), (6390, 11331), (7554, 9585)]