128345970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2779

約数の個数: 64

約数和(自身を含む): 323832960

約数和(自身を除く): 195486990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 555, 645, 1110, 1290, 1591, 2689, 3182, 4773, 5378, 7955, 8067, 9546, 13445, 15910, 16134, 23865, 26890, 40335, 47730, 80670, 99493, 115627, 198986, 231254, 298479, 346881, 497465, 578135, 596958, 693762, 994930, 1156270, 1492395, 1734405, 2984790, 3468810, 4278199, 8556398, 12834597, 21390995, 25669194, 42781990, 64172985, 128345970]

約数ペア:

[(1, 128345970), (2, 64172985), (3, 42781990), (5, 25669194), (6, 21390995), (10, 12834597), (15, 8556398), (30, 4278199), (37, 3468810), (43, 2984790), (74, 1734405), (86, 1492395), (111, 1156270), (129, 994930), (185, 693762), (215, 596958), (222, 578135), (258, 497465), (370, 346881), (430, 298479), (555, 231254), (645, 198986), (1110, 115627), (1290, 99493), (1591, 80670), (2689, 47730), (3182, 40335), (4773, 26890), (5378, 23865), (7955, 16134), (8067, 15910), (9546, 13445)]