471441420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1120

約数の個数: 144

約数和(自身を含む): 1490868288

約数和(自身を除く): 1019426868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 71, 74, 90, 111, 142, 148, 180, 185, 213, 222, 284, 333, 355, 370, 426, 444, 555, 639, 666, 710, 740, 852, 997, 1065, 1110, 1278, 1332, 1420, 1665, 1994, 2130, 2220, 2556, 2627, 2991, 3195, 3330, 3988, 4260, 4985, 5254, 5982, 6390, 6660, 7881, 8973, 9970, 10508, 11964, 12780, 13135, 14955, 15762, 17946, 19940, 23643, 26270, 29910, 31524, 35892, 36889, 39405, 44865, 47286, 52540, 59820, 70787, 73778, 78810, 89730, 94572, 110667, 118215, 141574, 147556, 157620, 179460, 184445, 212361, 221334, 236430, 283148, 332001, 353935, 368890, 424722, 442668, 472860, 553335, 637083, 664002, 707870, 737780, 849444, 1061805, 1106670, 1274166, 1328004, 1415740, 1660005, 2123610, 2213340, 2548332, 2619119, 3185415, 3320010, 4247220, 5238238, 6370830, 6640020, 7857357, 10476476, 12741660, 13095595, 15714714, 23572071, 26191190, 31429428, 39286785, 47144142, 52382380, 78573570, 94288284, 117860355, 157147140, 235720710, 471441420]

約数ペア:

[(1, 471441420), (2, 235720710), (3, 157147140), (4, 117860355), (5, 94288284), (6, 78573570), (9, 52382380), (10, 47144142), (12, 39286785), (15, 31429428), (18, 26191190), (20, 23572071), (30, 15714714), (36, 13095595), (37, 12741660), (45, 10476476), (60, 7857357), (71, 6640020), (74, 6370830), (90, 5238238), (111, 4247220), (142, 3320010), (148, 3185415), (180, 2619119), (185, 2548332), (213, 2213340), (222, 2123610), (284, 1660005), (333, 1415740), (355, 1328004), (370, 1274166), (426, 1106670), (444, 1061805), (555, 849444), (639, 737780), (666, 707870), (710, 664002), (740, 637083), (852, 553335), (997, 472860), (1065, 442668), (1110, 424722), (1278, 368890), (1332, 353935), (1420, 332001), (1665, 283148), (1994, 236430), (2130, 221334), (2220, 212361), (2556, 184445), (2627, 179460), (2991, 157620), (3195, 147556), (3330, 141574), (3988, 118215), (4260, 110667), (4985, 94572), (5254, 89730), (5982, 78810), (6390, 73778), (6660, 70787), (7881, 59820), (8973, 52540), (9970, 47286), (10508, 44865), (11964, 39405), (12780, 36889), (13135, 35892), (14955, 31524), (15762, 29910), (17946, 26270), (19940, 23643)]