399240120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54541}}^1$

素因数の和:54616

約数の個数: 64

約数和(自身を含む): 1217377440

約数和(自身を除く): 818137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 54541, 109082, 163623, 218164, 272705, 327246, 436328, 545410, 654492, 818115, 1090820, 1308984, 1636230, 2181640, 3272460, 3327001, 6544920, 6654002, 9981003, 13308004, 16635005, 19962006, 26616008, 33270010, 39924012, 49905015, 66540020, 79848024, 99810030, 133080040, 199620060, 399240120]

約数ペア:

[(1, 399240120), (2, 199620060), (3, 133080040), (4, 99810030), (5, 79848024), (6, 66540020), (8, 49905015), (10, 39924012), (12, 33270010), (15, 26616008), (20, 19962006), (24, 16635005), (30, 13308004), (40, 9981003), (60, 6654002), (61, 6544920), (120, 3327001), (122, 3272460), (183, 2181640), (244, 1636230), (305, 1308984), (366, 1090820), (488, 818115), (610, 654492), (732, 545410), (915, 436328), (1220, 327246), (1464, 272705), (1830, 218164), (2440, 163623), (3660, 109082), (7320, 54541)]