71608140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 230420736

約数和(自身を除く): 158812596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 180, 186, 205, 246, 279, 310, 313, 369, 372, 410, 465, 492, 558, 615, 620, 626, 738, 820, 930, 939, 1116, 1230, 1252, 1271, 1395, 1476, 1565, 1845, 1860, 1878, 2460, 2542, 2790, 2817, 3130, 3690, 3756, 3813, 4695, 5084, 5580, 5634, 6260, 6355, 7380, 7626, 9390, 9703, 11268, 11439, 12710, 12833, 14085, 15252, 18780, 19065, 19406, 22878, 25420, 25666, 28170, 29109, 38130, 38499, 38812, 45756, 48515, 51332, 56340, 57195, 58218, 64165, 76260, 76998, 87327, 97030, 114390, 115497, 116436, 128330, 145545, 153996, 174654, 192495, 194060, 228780, 230994, 256660, 291090, 349308, 384990, 397823, 436635, 461988, 577485, 582180, 769980, 795646, 873270, 1154970, 1193469, 1591292, 1746540, 1989115, 2309940, 2386938, 3580407, 3978230, 4773876, 5967345, 7160814, 7956460, 11934690, 14321628, 17902035, 23869380, 35804070, 71608140]

約数ペア:

[(1, 71608140), (2, 35804070), (3, 23869380), (4, 17902035), (5, 14321628), (6, 11934690), (9, 7956460), (10, 7160814), (12, 5967345), (15, 4773876), (18, 3978230), (20, 3580407), (30, 2386938), (31, 2309940), (36, 1989115), (41, 1746540), (45, 1591292), (60, 1193469), (62, 1154970), (82, 873270), (90, 795646), (93, 769980), (123, 582180), (124, 577485), (155, 461988), (164, 436635), (180, 397823), (186, 384990), (205, 349308), (246, 291090), (279, 256660), (310, 230994), (313, 228780), (369, 194060), (372, 192495), (410, 174654), (465, 153996), (492, 145545), (558, 128330), (615, 116436), (620, 115497), (626, 114390), (738, 97030), (820, 87327), (930, 76998), (939, 76260), (1116, 64165), (1230, 58218), (1252, 57195), (1271, 56340), (1395, 51332), (1476, 48515), (1565, 45756), (1845, 38812), (1860, 38499), (1878, 38130), (2460, 29109), (2542, 28170), (2790, 25666), (2817, 25420), (3130, 22878), (3690, 19406), (3756, 19065), (3813, 18780), (4695, 15252), (5084, 14085), (5580, 12833), (5634, 12710), (6260, 11439), (6355, 11268), (7380, 9703), (7626, 9390)]