38672025

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 78878880

約数和(自身を除く): 40206855

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 619, 735, 833, 1225, 1275, 1785, 1857, 2499, 2975, 3095, 3675, 4165, 4333, 8925, 9285, 10523, 12495, 12999, 15475, 20825, 21665, 30331, 31569, 46425, 52615, 62475, 64995, 73661, 90993, 108325, 151655, 157845, 220983, 263075, 324975, 368305, 454965, 515627, 758275, 789225, 1104915, 1546881, 1841525, 2274825, 2578135, 5524575, 7734405, 12890675, 38672025]

約数ペア:

[(1, 38672025), (3, 12890675), (5, 7734405), (7, 5524575), (15, 2578135), (17, 2274825), (21, 1841525), (25, 1546881), (35, 1104915), (49, 789225), (51, 758275), (75, 515627), (85, 454965), (105, 368305), (119, 324975), (147, 263075), (175, 220983), (245, 157845), (255, 151655), (357, 108325), (425, 90993), (525, 73661), (595, 64995), (619, 62475), (735, 52615), (833, 46425), (1225, 31569), (1275, 30331), (1785, 21665), (1857, 20825), (2499, 15475), (2975, 12999), (3095, 12495), (3675, 10523), (4165, 9285), (4333, 8925)]