231399840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 192

約数和(自身を含む): 847445760

約数和(自身を除く): 616045920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 168, 183, 210, 224, 240, 244, 280, 305, 336, 366, 420, 427, 480, 488, 560, 610, 672, 732, 840, 854, 915, 976, 1120, 1129, 1220, 1281, 1464, 1680, 1708, 1830, 1952, 2135, 2258, 2440, 2562, 2928, 3360, 3387, 3416, 3660, 4270, 4516, 4880, 5124, 5645, 5856, 6405, 6774, 6832, 7320, 7903, 8540, 9032, 9760, 10248, 11290, 12810, 13548, 13664, 14640, 15806, 16935, 17080, 18064, 20496, 22580, 23709, 25620, 27096, 29280, 31612, 33870, 34160, 36128, 39515, 40992, 45160, 47418, 51240, 54192, 63224, 67740, 68320, 68869, 79030, 90320, 94836, 102480, 108384, 118545, 126448, 135480, 137738, 158060, 180640, 189672, 204960, 206607, 237090, 252896, 270960, 275476, 316120, 344345, 379344, 413214, 474180, 482083, 541920, 550952, 632240, 688690, 758688, 826428, 948360, 964166, 1033035, 1101904, 1264480, 1377380, 1446249, 1652856, 1896720, 1928332, 2066070, 2203808, 2410415, 2754760, 2892498, 3305712, 3793440, 3856664, 4132140, 4820830, 5509520, 5784996, 6611424, 7231245, 7713328, 8264280, 9641660, 11019040, 11569992, 14462490, 15426656, 16528560, 19283320, 23139984, 28924980, 33057120, 38566640, 46279968, 57849960, 77133280, 115699920, 231399840]

約数ペア:

[(1, 231399840), (2, 115699920), (3, 77133280), (4, 57849960), (5, 46279968), (6, 38566640), (7, 33057120), (8, 28924980), (10, 23139984), (12, 19283320), (14, 16528560), (15, 15426656), (16, 14462490), (20, 11569992), (21, 11019040), (24, 9641660), (28, 8264280), (30, 7713328), (32, 7231245), (35, 6611424), (40, 5784996), (42, 5509520), (48, 4820830), (56, 4132140), (60, 3856664), (61, 3793440), (70, 3305712), (80, 2892498), (84, 2754760), (96, 2410415), (105, 2203808), (112, 2066070), (120, 1928332), (122, 1896720), (140, 1652856), (160, 1446249), (168, 1377380), (183, 1264480), (210, 1101904), (224, 1033035), (240, 964166), (244, 948360), (280, 826428), (305, 758688), (336, 688690), (366, 632240), (420, 550952), (427, 541920), (480, 482083), (488, 474180), (560, 413214), (610, 379344), (672, 344345), (732, 316120), (840, 275476), (854, 270960), (915, 252896), (976, 237090), (1120, 206607), (1129, 204960), (1220, 189672), (1281, 180640), (1464, 158060), (1680, 137738), (1708, 135480), (1830, 126448), (1952, 118545), (2135, 108384), (2258, 102480), (2440, 94836), (2562, 90320), (2928, 79030), (3360, 68869), (3387, 68320), (3416, 67740), (3660, 63224), (4270, 54192), (4516, 51240), (4880, 47418), (5124, 45160), (5645, 40992), (5856, 39515), (6405, 36128), (6774, 34160), (6832, 33870), (7320, 31612), (7903, 29280), (8540, 27096), (9032, 25620), (9760, 23709), (10248, 22580), (11290, 20496), (12810, 18064), (13548, 17080), (13664, 16935), (14640, 15806)]