72741480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 258552000

約数和(自身を除く): 185810520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 89, 98, 105, 120, 139, 140, 147, 168, 178, 196, 210, 245, 267, 278, 280, 294, 356, 392, 417, 420, 445, 490, 534, 556, 588, 623, 695, 712, 735, 834, 840, 890, 973, 980, 1068, 1112, 1176, 1246, 1335, 1390, 1470, 1668, 1780, 1869, 1946, 1960, 2085, 2136, 2492, 2670, 2780, 2919, 2940, 3115, 3336, 3560, 3738, 3892, 4170, 4361, 4865, 4984, 5340, 5560, 5838, 5880, 6230, 6811, 7476, 7784, 8340, 8722, 9345, 9730, 10680, 11676, 12371, 12460, 13083, 13622, 14595, 14952, 16680, 17444, 18690, 19460, 20433, 21805, 23352, 24742, 24920, 26166, 27244, 29190, 34055, 34888, 37113, 37380, 38920, 40866, 43610, 49484, 52332, 54488, 58380, 61855, 65415, 68110, 74226, 74760, 81732, 86597, 87220, 98968, 102165, 104664, 116760, 123710, 130830, 136220, 148452, 163464, 173194, 174440, 185565, 204330, 247420, 259791, 261660, 272440, 296904, 346388, 371130, 408660, 432985, 494840, 519582, 523320, 606179, 692776, 742260, 817320, 865970, 1039164, 1212358, 1298955, 1484520, 1731940, 1818537, 2078328, 2424716, 2597910, 3030895, 3463880, 3637074, 4849432, 5195820, 6061790, 7274148, 9092685, 10391640, 12123580, 14548296, 18185370, 24247160, 36370740, 72741480]

約数ペア:

[(1, 72741480), (2, 36370740), (3, 24247160), (4, 18185370), (5, 14548296), (6, 12123580), (7, 10391640), (8, 9092685), (10, 7274148), (12, 6061790), (14, 5195820), (15, 4849432), (20, 3637074), (21, 3463880), (24, 3030895), (28, 2597910), (30, 2424716), (35, 2078328), (40, 1818537), (42, 1731940), (49, 1484520), (56, 1298955), (60, 1212358), (70, 1039164), (84, 865970), (89, 817320), (98, 742260), (105, 692776), (120, 606179), (139, 523320), (140, 519582), (147, 494840), (168, 432985), (178, 408660), (196, 371130), (210, 346388), (245, 296904), (267, 272440), (278, 261660), (280, 259791), (294, 247420), (356, 204330), (392, 185565), (417, 174440), (420, 173194), (445, 163464), (490, 148452), (534, 136220), (556, 130830), (588, 123710), (623, 116760), (695, 104664), (712, 102165), (735, 98968), (834, 87220), (840, 86597), (890, 81732), (973, 74760), (980, 74226), (1068, 68110), (1112, 65415), (1176, 61855), (1246, 58380), (1335, 54488), (1390, 52332), (1470, 49484), (1668, 43610), (1780, 40866), (1869, 38920), (1946, 37380), (1960, 37113), (2085, 34888), (2136, 34055), (2492, 29190), (2670, 27244), (2780, 26166), (2919, 24920), (2940, 24742), (3115, 23352), (3336, 21805), (3560, 20433), (3738, 19460), (3892, 18690), (4170, 17444), (4361, 16680), (4865, 14952), (4984, 14595), (5340, 13622), (5560, 13083), (5838, 12460), (5880, 12371), (6230, 11676), (6811, 10680), (7476, 9730), (7784, 9345), (8340, 8722)]