71787240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 271589760

約数和(自身を除く): 199802520

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, 420, 427, 467, 488, 504, 549, 610, 630, 732, 840, 854, 915, 934, 1098, 1220, 1260, 1281, 1401, 1464, 1708, 1830, 1868, 2135, 2196, 2335, 2440, 2520, 2562, 2745, 2802, 3269, 3416, 3660, 3736, 3843, 4203, 4270, 4392, 4670, 5124, 5490, 5604, 6405, 6538, 7005, 7320, 7686, 8406, 8540, 9340, 9807, 10248, 10980, 11208, 12810, 13076, 14010, 15372, 16345, 16812, 17080, 18680, 19215, 19614, 21015, 21960, 25620, 26152, 28020, 28487, 29421, 30744, 32690, 33624, 38430, 39228, 42030, 49035, 51240, 56040, 56974, 58842, 65380, 76860, 78456, 84060, 85461, 98070, 113948, 117684, 130760, 142435, 147105, 153720, 168120, 170922, 196140, 199409, 227896, 235368, 256383, 284870, 294210, 341844, 392280, 398818, 427305, 512766, 569740, 588420, 598227, 683688, 797636, 854610, 997045, 1025532, 1139480, 1176840, 1196454, 1281915, 1595272, 1709220, 1794681, 1994090, 2051064, 2392908, 2563830, 2991135, 3418440, 3589362, 3988180, 4785816, 5127660, 5982270, 7178724, 7976360, 8973405, 10255320, 11964540, 14357448, 17946810, 23929080, 35893620, 71787240]

約数ペア:

[(1, 71787240), (2, 35893620), (3, 23929080), (4, 17946810), (5, 14357448), (6, 11964540), (7, 10255320), (8, 8973405), (9, 7976360), (10, 7178724), (12, 5982270), (14, 5127660), (15, 4785816), (18, 3988180), (20, 3589362), (21, 3418440), (24, 2991135), (28, 2563830), (30, 2392908), (35, 2051064), (36, 1994090), (40, 1794681), (42, 1709220), (45, 1595272), (56, 1281915), (60, 1196454), (61, 1176840), (63, 1139480), (70, 1025532), (72, 997045), (84, 854610), (90, 797636), (105, 683688), (120, 598227), (122, 588420), (126, 569740), (140, 512766), (168, 427305), (180, 398818), (183, 392280), (210, 341844), (244, 294210), (252, 284870), (280, 256383), (305, 235368), (315, 227896), (360, 199409), (366, 196140), (420, 170922), (427, 168120), (467, 153720), (488, 147105), (504, 142435), (549, 130760), (610, 117684), (630, 113948), (732, 98070), (840, 85461), (854, 84060), (915, 78456), (934, 76860), (1098, 65380), (1220, 58842), (1260, 56974), (1281, 56040), (1401, 51240), (1464, 49035), (1708, 42030), (1830, 39228), (1868, 38430), (2135, 33624), (2196, 32690), (2335, 30744), (2440, 29421), (2520, 28487), (2562, 28020), (2745, 26152), (2802, 25620), (3269, 21960), (3416, 21015), (3660, 19614), (3736, 19215), (3843, 18680), (4203, 17080), (4270, 16812), (4392, 16345), (4670, 15372), (5124, 14010), (5490, 13076), (5604, 12810), (6405, 11208), (6538, 10980), (7005, 10248), (7320, 9807), (7686, 9340), (8406, 8540)]