161223000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 128

約数和(自身を含む): 511842240

約数和(自身を除く): 350619240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 125, 150, 183, 200, 244, 250, 300, 305, 366, 375, 488, 500, 600, 610, 732, 750, 881, 915, 1000, 1220, 1464, 1500, 1525, 1762, 1830, 2440, 2643, 3000, 3050, 3524, 3660, 4405, 4575, 5286, 6100, 7048, 7320, 7625, 8810, 9150, 10572, 12200, 13215, 15250, 17620, 18300, 21144, 22025, 22875, 26430, 30500, 35240, 36600, 44050, 45750, 52860, 53741, 61000, 66075, 88100, 91500, 105720, 107482, 110125, 132150, 161223, 176200, 183000, 214964, 220250, 264300, 268705, 322446, 330375, 429928, 440500, 528600, 537410, 644892, 660750, 806115, 881000, 1074820, 1289784, 1321500, 1343525, 1612230, 2149640, 2643000, 2687050, 3224460, 4030575, 5374100, 6448920, 6717625, 8061150, 10748200, 13435250, 16122300, 20152875, 26870500, 32244600, 40305750, 53741000, 80611500, 161223000]

約数ペア:

[(1, 161223000), (2, 80611500), (3, 53741000), (4, 40305750), (5, 32244600), (6, 26870500), (8, 20152875), (10, 16122300), (12, 13435250), (15, 10748200), (20, 8061150), (24, 6717625), (25, 6448920), (30, 5374100), (40, 4030575), (50, 3224460), (60, 2687050), (61, 2643000), (75, 2149640), (100, 1612230), (120, 1343525), (122, 1321500), (125, 1289784), (150, 1074820), (183, 881000), (200, 806115), (244, 660750), (250, 644892), (300, 537410), (305, 528600), (366, 440500), (375, 429928), (488, 330375), (500, 322446), (600, 268705), (610, 264300), (732, 220250), (750, 214964), (881, 183000), (915, 176200), (1000, 161223), (1220, 132150), (1464, 110125), (1500, 107482), (1525, 105720), (1762, 91500), (1830, 88100), (2440, 66075), (2643, 61000), (3000, 53741), (3050, 52860), (3524, 45750), (3660, 44050), (4405, 36600), (4575, 35240), (5286, 30500), (6100, 26430), (7048, 22875), (7320, 22025), (7625, 21144), (8810, 18300), (9150, 17620), (10572, 15250), (12200, 13215)]