215361720

素因数分解:

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

素因数の和:555

約数の個数: 256

約数和(自身を含む): 835660800

約数和(自身を除く): 620299080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 168, 180, 183, 189, 210, 216, 244, 252, 270, 280, 305, 315, 360, 366, 378, 420, 427, 467, 488, 504, 540, 549, 610, 630, 732, 756, 840, 854, 915, 934, 945, 1080, 1098, 1220, 1260, 1281, 1401, 1464, 1512, 1647, 1708, 1830, 1868, 1890, 2135, 2196, 2335, 2440, 2520, 2562, 2745, 2802, 3269, 3294, 3416, 3660, 3736, 3780, 3843, 4203, 4270, 4392, 4670, 5124, 5490, 5604, 6405, 6538, 6588, 7005, 7320, 7560, 7686, 8235, 8406, 8540, 9340, 9807, 10248, 10980, 11208, 11529, 12609, 12810, 13076, 13176, 14010, 15372, 16345, 16470, 16812, 17080, 18680, 19215, 19614, 21015, 21960, 23058, 25218, 25620, 26152, 28020, 28487, 29421, 30744, 32690, 32940, 33624, 38430, 39228, 42030, 46116, 49035, 50436, 51240, 56040, 56974, 57645, 58842, 63045, 65380, 65880, 76860, 78456, 84060, 85461, 88263, 92232, 98070, 100872, 113948, 115290, 117684, 126090, 130760, 142435, 147105, 153720, 168120, 170922, 176526, 196140, 199409, 227896, 230580, 235368, 252180, 256383, 284870, 294210, 341844, 353052, 392280, 398818, 427305, 441315, 461160, 504360, 512766, 569740, 588420, 598227, 683688, 706104, 769149, 797636, 854610, 882630, 997045, 1025532, 1139480, 1176840, 1196454, 1281915, 1538298, 1595272, 1709220, 1765260, 1794681, 1994090, 2051064, 2392908, 2563830, 2991135, 3076596, 3418440, 3530520, 3589362, 3845745, 3988180, 4785816, 5127660, 5384043, 5982270, 6153192, 7178724, 7691490, 7976360, 8973405, 10255320, 10768086, 11964540, 14357448, 15382980, 17946810, 21536172, 23929080, 26920215, 30765960, 35893620, 43072344, 53840430, 71787240, 107680860, 215361720]

約数ペア:

[(1, 215361720), (2, 107680860), (3, 71787240), (4, 53840430), (5, 43072344), (6, 35893620), (7, 30765960), (8, 26920215), (9, 23929080), (10, 21536172), (12, 17946810), (14, 15382980), (15, 14357448), (18, 11964540), (20, 10768086), (21, 10255320), (24, 8973405), (27, 7976360), (28, 7691490), (30, 7178724), (35, 6153192), (36, 5982270), (40, 5384043), (42, 5127660), (45, 4785816), (54, 3988180), (56, 3845745), (60, 3589362), (61, 3530520), (63, 3418440), (70, 3076596), (72, 2991135), (84, 2563830), (90, 2392908), (105, 2051064), (108, 1994090), (120, 1794681), (122, 1765260), (126, 1709220), (135, 1595272), (140, 1538298), (168, 1281915), (180, 1196454), (183, 1176840), (189, 1139480), (210, 1025532), (216, 997045), (244, 882630), (252, 854610), (270, 797636), (280, 769149), (305, 706104), (315, 683688), (360, 598227), (366, 588420), (378, 569740), (420, 512766), (427, 504360), (467, 461160), (488, 441315), (504, 427305), (540, 398818), (549, 392280), (610, 353052), (630, 341844), (732, 294210), (756, 284870), (840, 256383), (854, 252180), (915, 235368), (934, 230580), (945, 227896), (1080, 199409), (1098, 196140), (1220, 176526), (1260, 170922), (1281, 168120), (1401, 153720), (1464, 147105), (1512, 142435), (1647, 130760), (1708, 126090), (1830, 117684), (1868, 115290), (1890, 113948), (2135, 100872), (2196, 98070), (2335, 92232), (2440, 88263), (2520, 85461), (2562, 84060), (2745, 78456), (2802, 76860), (3269, 65880), (3294, 65380), (3416, 63045), (3660, 58842), (3736, 57645), (3780, 56974), (3843, 56040), (4203, 51240), (4270, 50436), (4392, 49035), (4670, 46116), (5124, 42030), (5490, 39228), (5604, 38430), (6405, 33624), (6538, 32940), (6588, 32690), (7005, 30744), (7320, 29421), (7560, 28487), (7686, 28020), (8235, 26152), (8406, 25620), (8540, 25218), (9340, 23058), (9807, 21960), (10248, 21015), (10980, 19614), (11208, 19215), (11529, 18680), (12609, 17080), (12810, 16812), (13076, 16470), (13176, 16345), (14010, 15372)]