61641720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 233288640

約数和(自身を除く): 171646920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 140, 168, 180, 183, 210, 244, 252, 280, 305, 315, 360, 366, 401, 420, 427, 488, 504, 549, 610, 630, 732, 802, 840, 854, 915, 1098, 1203, 1220, 1260, 1281, 1464, 1604, 1708, 1830, 2005, 2135, 2196, 2406, 2440, 2520, 2562, 2745, 2807, 3208, 3416, 3609, 3660, 3843, 4010, 4270, 4392, 4812, 5124, 5490, 5614, 6015, 6405, 7218, 7320, 7686, 8020, 8421, 8540, 9624, 10248, 10980, 11228, 12030, 12810, 14035, 14436, 15372, 16040, 16842, 17080, 18045, 19215, 21960, 22456, 24060, 24461, 25263, 25620, 28070, 28872, 30744, 33684, 36090, 38430, 42105, 48120, 48922, 50526, 51240, 56140, 67368, 72180, 73383, 76860, 84210, 97844, 101052, 112280, 122305, 126315, 144360, 146766, 153720, 168420, 171227, 195688, 202104, 220149, 244610, 252630, 293532, 336840, 342454, 366915, 440298, 489220, 505260, 513681, 587064, 684908, 733830, 856135, 880596, 978440, 1010520, 1027362, 1100745, 1369816, 1467660, 1541043, 1712270, 1761192, 2054724, 2201490, 2568405, 2935320, 3082086, 3424540, 4109448, 4402980, 5136810, 6164172, 6849080, 7705215, 8805960, 10273620, 12328344, 15410430, 20547240, 30820860, 61641720]

約数ペア:

[(1, 61641720), (2, 30820860), (3, 20547240), (4, 15410430), (5, 12328344), (6, 10273620), (7, 8805960), (8, 7705215), (9, 6849080), (10, 6164172), (12, 5136810), (14, 4402980), (15, 4109448), (18, 3424540), (20, 3082086), (21, 2935320), (24, 2568405), (28, 2201490), (30, 2054724), (35, 1761192), (36, 1712270), (40, 1541043), (42, 1467660), (45, 1369816), (56, 1100745), (60, 1027362), (61, 1010520), (63, 978440), (70, 880596), (72, 856135), (84, 733830), (90, 684908), (105, 587064), (120, 513681), (122, 505260), (126, 489220), (140, 440298), (168, 366915), (180, 342454), (183, 336840), (210, 293532), (244, 252630), (252, 244610), (280, 220149), (305, 202104), (315, 195688), (360, 171227), (366, 168420), (401, 153720), (420, 146766), (427, 144360), (488, 126315), (504, 122305), (549, 112280), (610, 101052), (630, 97844), (732, 84210), (802, 76860), (840, 73383), (854, 72180), (915, 67368), (1098, 56140), (1203, 51240), (1220, 50526), (1260, 48922), (1281, 48120), (1464, 42105), (1604, 38430), (1708, 36090), (1830, 33684), (2005, 30744), (2135, 28872), (2196, 28070), (2406, 25620), (2440, 25263), (2520, 24461), (2562, 24060), (2745, 22456), (2807, 21960), (3208, 19215), (3416, 18045), (3609, 17080), (3660, 16842), (3843, 16040), (4010, 15372), (4270, 14436), (4392, 14035), (4812, 12810), (5124, 12030), (5490, 11228), (5614, 10980), (6015, 10248), (6405, 9624), (7218, 8540), (7320, 8421), (7686, 8020)]