1721396760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:929

約数の個数: 128

約数和(自身を含む): 5251599360

約数和(自身を除く): 3530202600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 401, 415, 431, 498, 664, 802, 830, 862, 996, 1203, 1245, 1293, 1604, 1660, 1724, 1992, 2005, 2155, 2406, 2490, 2586, 3208, 3320, 3448, 4010, 4310, 4812, 4980, 5172, 6015, 6465, 8020, 8620, 9624, 9960, 10344, 12030, 12930, 16040, 17240, 24060, 25860, 33283, 35773, 48120, 51720, 66566, 71546, 99849, 107319, 133132, 143092, 166415, 172831, 178865, 199698, 214638, 266264, 286184, 332830, 345662, 357730, 399396, 429276, 499245, 518493, 536595, 665660, 691324, 715460, 798792, 858552, 864155, 998490, 1036986, 1073190, 1331320, 1382648, 1430920, 1728310, 1996980, 2073972, 2146380, 2592465, 3456620, 3993960, 4147944, 4292760, 5184930, 6913240, 10369860, 14344973, 20739720, 28689946, 43034919, 57379892, 71724865, 86069838, 114759784, 143449730, 172139676, 215174595, 286899460, 344279352, 430349190, 573798920, 860698380, 1721396760]

約数ペア:

[(1, 1721396760), (2, 860698380), (3, 573798920), (4, 430349190), (5, 344279352), (6, 286899460), (8, 215174595), (10, 172139676), (12, 143449730), (15, 114759784), (20, 86069838), (24, 71724865), (30, 57379892), (40, 43034919), (60, 28689946), (83, 20739720), (120, 14344973), (166, 10369860), (249, 6913240), (332, 5184930), (401, 4292760), (415, 4147944), (431, 3993960), (498, 3456620), (664, 2592465), (802, 2146380), (830, 2073972), (862, 1996980), (996, 1728310), (1203, 1430920), (1245, 1382648), (1293, 1331320), (1604, 1073190), (1660, 1036986), (1724, 998490), (1992, 864155), (2005, 858552), (2155, 798792), (2406, 715460), (2490, 691324), (2586, 665660), (3208, 536595), (3320, 518493), (3448, 499245), (4010, 429276), (4310, 399396), (4812, 357730), (4980, 345662), (5172, 332830), (6015, 286184), (6465, 266264), (8020, 214638), (8620, 199698), (9624, 178865), (9960, 172831), (10344, 166415), (12030, 143092), (12930, 133132), (16040, 107319), (17240, 99849), (24060, 71546), (25860, 66566), (33283, 51720), (35773, 48120)]