179791880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 443232000

約数和(自身を除く): 263440120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 59, 71, 74, 116, 118, 142, 145, 148, 185, 232, 236, 284, 290, 295, 296, 355, 370, 472, 568, 580, 590, 710, 740, 1073, 1160, 1180, 1420, 1480, 1711, 2059, 2146, 2183, 2360, 2627, 2840, 3422, 4118, 4189, 4292, 4366, 5254, 5365, 6844, 8236, 8378, 8555, 8584, 8732, 10295, 10508, 10730, 10915, 13135, 13688, 16472, 16756, 17110, 17464, 20590, 20945, 21016, 21460, 21830, 26270, 33512, 34220, 41180, 41890, 42920, 43660, 52540, 63307, 68440, 76183, 82360, 83780, 87320, 105080, 121481, 126614, 152366, 154993, 167560, 242962, 253228, 304732, 309986, 316535, 380915, 485924, 506456, 607405, 609464, 619972, 633070, 761830, 774965, 971848, 1214810, 1239944, 1266140, 1523660, 1549930, 2429620, 2532280, 3047320, 3099860, 4494797, 4859240, 6199720, 8989594, 17979188, 22473985, 35958376, 44947970, 89895940, 179791880]

約数ペア:

[(1, 179791880), (2, 89895940), (4, 44947970), (5, 35958376), (8, 22473985), (10, 17979188), (20, 8989594), (29, 6199720), (37, 4859240), (40, 4494797), (58, 3099860), (59, 3047320), (71, 2532280), (74, 2429620), (116, 1549930), (118, 1523660), (142, 1266140), (145, 1239944), (148, 1214810), (185, 971848), (232, 774965), (236, 761830), (284, 633070), (290, 619972), (295, 609464), (296, 607405), (355, 506456), (370, 485924), (472, 380915), (568, 316535), (580, 309986), (590, 304732), (710, 253228), (740, 242962), (1073, 167560), (1160, 154993), (1180, 152366), (1420, 126614), (1480, 121481), (1711, 105080), (2059, 87320), (2146, 83780), (2183, 82360), (2360, 76183), (2627, 68440), (2840, 63307), (3422, 52540), (4118, 43660), (4189, 42920), (4292, 41890), (4366, 41180), (5254, 34220), (5365, 33512), (6844, 26270), (8236, 21830), (8378, 21460), (8555, 21016), (8584, 20945), (8732, 20590), (10295, 17464), (10508, 17110), (10730, 16756), (10915, 16472), (13135, 13688)]