399481680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2189

約数の個数: 160

約数和(自身を含む): 1356163200

約数和(自身を除く): 956681520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 488, 520, 610, 624, 732, 780, 793, 915, 976, 1040, 1220, 1464, 1560, 1586, 1830, 2099, 2379, 2440, 2928, 3120, 3172, 3660, 3965, 4198, 4758, 4880, 6297, 6344, 7320, 7930, 8396, 9516, 10495, 11895, 12594, 12688, 14640, 15860, 16792, 19032, 20990, 23790, 25188, 27287, 31485, 31720, 33584, 38064, 41980, 47580, 50376, 54574, 62970, 63440, 81861, 83960, 95160, 100752, 109148, 125940, 128039, 136435, 163722, 167920, 190320, 218296, 251880, 256078, 272870, 327444, 384117, 409305, 436592, 503760, 512156, 545740, 640195, 654888, 768234, 818610, 1024312, 1091480, 1280390, 1309776, 1536468, 1637220, 1664507, 1920585, 2048624, 2182960, 2560780, 3072936, 3274440, 3329014, 3841170, 4993521, 5121560, 6145872, 6548880, 6658028, 7682340, 8322535, 9987042, 10243120, 13316056, 15364680, 16645070, 19974084, 24967605, 26632112, 30729360, 33290140, 39948168, 49935210, 66580280, 79896336, 99870420, 133160560, 199740840, 399481680]

約数ペア:

[(1, 399481680), (2, 199740840), (3, 133160560), (4, 99870420), (5, 79896336), (6, 66580280), (8, 49935210), (10, 39948168), (12, 33290140), (13, 30729360), (15, 26632112), (16, 24967605), (20, 19974084), (24, 16645070), (26, 15364680), (30, 13316056), (39, 10243120), (40, 9987042), (48, 8322535), (52, 7682340), (60, 6658028), (61, 6548880), (65, 6145872), (78, 5121560), (80, 4993521), (104, 3841170), (120, 3329014), (122, 3274440), (130, 3072936), (156, 2560780), (183, 2182960), (195, 2048624), (208, 1920585), (240, 1664507), (244, 1637220), (260, 1536468), (305, 1309776), (312, 1280390), (366, 1091480), (390, 1024312), (488, 818610), (520, 768234), (610, 654888), (624, 640195), (732, 545740), (780, 512156), (793, 503760), (915, 436592), (976, 409305), (1040, 384117), (1220, 327444), (1464, 272870), (1560, 256078), (1586, 251880), (1830, 218296), (2099, 190320), (2379, 167920), (2440, 163722), (2928, 136435), (3120, 128039), (3172, 125940), (3660, 109148), (3965, 100752), (4198, 95160), (4758, 83960), (4880, 81861), (6297, 63440), (6344, 62970), (7320, 54574), (7930, 50376), (8396, 47580), (9516, 41980), (10495, 38064), (11895, 33584), (12594, 31720), (12688, 31485), (14640, 27287), (15860, 25188), (16792, 23790), (19032, 20990)]