51815880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4643}}^1$

素因数の和:4691

約数の個数: 96

約数和(自身を含む): 173871360

約数和(自身を除く): 122055480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 4643, 5580, 9286, 11160, 13929, 18572, 23215, 27858, 37144, 41787, 46430, 55716, 69645, 83574, 92860, 111432, 139290, 143933, 167148, 185720, 208935, 278580, 287866, 334296, 417870, 431799, 557160, 575732, 719665, 835740, 863598, 1151464, 1295397, 1439330, 1671480, 1727196, 2158995, 2590794, 2878660, 3454392, 4317990, 5181588, 5757320, 6476985, 8635980, 10363176, 12953970, 17271960, 25907940, 51815880]

約数ペア:

[(1, 51815880), (2, 25907940), (3, 17271960), (4, 12953970), (5, 10363176), (6, 8635980), (8, 6476985), (9, 5757320), (10, 5181588), (12, 4317990), (15, 3454392), (18, 2878660), (20, 2590794), (24, 2158995), (30, 1727196), (31, 1671480), (36, 1439330), (40, 1295397), (45, 1151464), (60, 863598), (62, 835740), (72, 719665), (90, 575732), (93, 557160), (120, 431799), (124, 417870), (155, 334296), (180, 287866), (186, 278580), (248, 208935), (279, 185720), (310, 167148), (360, 143933), (372, 139290), (465, 111432), (558, 92860), (620, 83574), (744, 69645), (930, 55716), (1116, 46430), (1240, 41787), (1395, 37144), (1860, 27858), (2232, 23215), (2790, 18572), (3720, 13929), (4643, 11160), (5580, 9286)]