31818880

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 77112000

約数和(自身を除く): 45293120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 599, 640, 664, 830, 1198, 1328, 1660, 2396, 2656, 2995, 3320, 4792, 5312, 5990, 6640, 9584, 10624, 11980, 13280, 19168, 23960, 26560, 38336, 47920, 49717, 53120, 76672, 95840, 99434, 191680, 198868, 248585, 383360, 397736, 497170, 795472, 994340, 1590944, 1988680, 3181888, 3977360, 6363776, 7954720, 15909440, 31818880]

約数ペア:

[(1, 31818880), (2, 15909440), (4, 7954720), (5, 6363776), (8, 3977360), (10, 3181888), (16, 1988680), (20, 1590944), (32, 994340), (40, 795472), (64, 497170), (80, 397736), (83, 383360), (128, 248585), (160, 198868), (166, 191680), (320, 99434), (332, 95840), (415, 76672), (599, 53120), (640, 49717), (664, 47920), (830, 38336), (1198, 26560), (1328, 23960), (1660, 19168), (2396, 13280), (2656, 11980), (2995, 10624), (3320, 9584), (4792, 6640), (5312, 5990)]