81032960

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 209714400

約数和(自身を除く): 128681440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 59, 64, 74, 80, 116, 118, 128, 145, 148, 160, 185, 232, 236, 256, 290, 295, 296, 320, 370, 464, 472, 580, 590, 592, 640, 740, 928, 944, 1073, 1160, 1180, 1184, 1280, 1480, 1711, 1856, 1888, 2146, 2183, 2320, 2360, 2368, 2960, 3422, 3712, 3776, 4292, 4366, 4640, 4720, 4736, 5365, 5920, 6844, 7424, 7552, 8555, 8584, 8732, 9280, 9440, 9472, 10730, 10915, 11840, 13688, 15104, 17110, 17168, 17464, 18560, 18880, 21460, 21830, 23680, 27376, 34220, 34336, 34928, 37120, 37760, 42920, 43660, 47360, 54752, 63307, 68440, 68672, 69856, 75520, 85840, 87320, 109504, 126614, 136880, 137344, 139712, 171680, 174640, 219008, 253228, 273760, 274688, 279424, 316535, 343360, 349280, 438016, 506456, 547520, 558848, 633070, 686720, 698560, 1012912, 1095040, 1266140, 1373440, 1397120, 2025824, 2190080, 2532280, 2794240, 4051648, 5064560, 8103296, 10129120, 16206592, 20258240, 40516480, 81032960]

約数ペア:

[(1, 81032960), (2, 40516480), (4, 20258240), (5, 16206592), (8, 10129120), (10, 8103296), (16, 5064560), (20, 4051648), (29, 2794240), (32, 2532280), (37, 2190080), (40, 2025824), (58, 1397120), (59, 1373440), (64, 1266140), (74, 1095040), (80, 1012912), (116, 698560), (118, 686720), (128, 633070), (145, 558848), (148, 547520), (160, 506456), (185, 438016), (232, 349280), (236, 343360), (256, 316535), (290, 279424), (295, 274688), (296, 273760), (320, 253228), (370, 219008), (464, 174640), (472, 171680), (580, 139712), (590, 137344), (592, 136880), (640, 126614), (740, 109504), (928, 87320), (944, 85840), (1073, 75520), (1160, 69856), (1180, 68672), (1184, 68440), (1280, 63307), (1480, 54752), (1711, 47360), (1856, 43660), (1888, 42920), (2146, 37760), (2183, 37120), (2320, 34928), (2360, 34336), (2368, 34220), (2960, 27376), (3422, 23680), (3712, 21830), (3776, 21460), (4292, 18880), (4366, 18560), (4640, 17464), (4720, 17168), (4736, 17110), (5365, 15104), (5920, 13688), (6844, 11840), (7424, 10915), (7552, 10730), (8555, 9472), (8584, 9440), (8732, 9280)]