681750450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{48871}}^1$

素因数の和:48920

約数の個数: 72

約数和(自身を含む): 1890759936

約数和(自身を除く): 1209009486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 2325, 2790, 4650, 6975, 13950, 48871, 97742, 146613, 244355, 293226, 439839, 488710, 733065, 879678, 1221775, 1466130, 1515001, 2199195, 2443550, 3030002, 3665325, 4398390, 4545003, 7330650, 7575005, 9090006, 10995975, 13635009, 15150010, 21991950, 22725015, 27270018, 37875025, 45450030, 68175045, 75750050, 113625075, 136350090, 227250150, 340875225, 681750450]

約数ペア:

[(1, 681750450), (2, 340875225), (3, 227250150), (5, 136350090), (6, 113625075), (9, 75750050), (10, 68175045), (15, 45450030), (18, 37875025), (25, 27270018), (30, 22725015), (31, 21991950), (45, 15150010), (50, 13635009), (62, 10995975), (75, 9090006), (90, 7575005), (93, 7330650), (150, 4545003), (155, 4398390), (186, 3665325), (225, 3030002), (279, 2443550), (310, 2199195), (450, 1515001), (465, 1466130), (558, 1221775), (775, 879678), (930, 733065), (1395, 488710), (1550, 439839), (2325, 293226), (2790, 244355), (4650, 146613), (6975, 97742), (13950, 48871)]