51840240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3618

約数の個数: 80

約数和(自身を含む): 163385376

約数和(自身を除く): 111545136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3541, 3660, 4880, 7082, 7320, 10623, 14164, 14640, 17705, 21246, 28328, 35410, 42492, 53115, 56656, 70820, 84984, 106230, 141640, 169968, 212460, 216001, 283280, 424920, 432002, 648003, 849840, 864004, 1080005, 1296006, 1728008, 2160010, 2592012, 3240015, 3456016, 4320020, 5184024, 6480030, 8640040, 10368048, 12960060, 17280080, 25920120, 51840240]

約数ペア:

[(1, 51840240), (2, 25920120), (3, 17280080), (4, 12960060), (5, 10368048), (6, 8640040), (8, 6480030), (10, 5184024), (12, 4320020), (15, 3456016), (16, 3240015), (20, 2592012), (24, 2160010), (30, 1728008), (40, 1296006), (48, 1080005), (60, 864004), (61, 849840), (80, 648003), (120, 432002), (122, 424920), (183, 283280), (240, 216001), (244, 212460), (305, 169968), (366, 141640), (488, 106230), (610, 84984), (732, 70820), (915, 56656), (976, 53115), (1220, 42492), (1464, 35410), (1830, 28328), (2440, 21246), (2928, 17705), (3541, 14640), (3660, 14164), (4880, 10623), (7082, 7320)]