81180060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 246489600

約数和(自身を除く): 165309540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 523, 597, 780, 796, 995, 1046, 1194, 1569, 1990, 2092, 2388, 2587, 2615, 2985, 3138, 3980, 5174, 5230, 5970, 6276, 6799, 7761, 7845, 10348, 10460, 11940, 12935, 13598, 15522, 15690, 20397, 25870, 27196, 31044, 31380, 33995, 38805, 40794, 51740, 67990, 77610, 81588, 101985, 104077, 135980, 155220, 203970, 208154, 312231, 407940, 416308, 520385, 624462, 1040770, 1248924, 1353001, 1561155, 2081540, 2706002, 3122310, 4059003, 5412004, 6244620, 6765005, 8118006, 13530010, 16236012, 20295015, 27060020, 40590030, 81180060]

約数ペア:

[(1, 81180060), (2, 40590030), (3, 27060020), (4, 20295015), (5, 16236012), (6, 13530010), (10, 8118006), (12, 6765005), (13, 6244620), (15, 5412004), (20, 4059003), (26, 3122310), (30, 2706002), (39, 2081540), (52, 1561155), (60, 1353001), (65, 1248924), (78, 1040770), (130, 624462), (156, 520385), (195, 416308), (199, 407940), (260, 312231), (390, 208154), (398, 203970), (523, 155220), (597, 135980), (780, 104077), (796, 101985), (995, 81588), (1046, 77610), (1194, 67990), (1569, 51740), (1990, 40794), (2092, 38805), (2388, 33995), (2587, 31380), (2615, 31044), (2985, 27196), (3138, 25870), (3980, 20397), (5174, 15690), (5230, 15522), (5970, 13598), (6276, 12935), (6799, 11940), (7761, 10460), (7845, 10348)]