87031320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 274104000

約数和(自身を除く): 187072680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 116, 120, 145, 174, 178, 232, 267, 281, 290, 348, 356, 435, 445, 534, 562, 580, 696, 712, 843, 870, 890, 1068, 1124, 1160, 1335, 1405, 1686, 1740, 1780, 2136, 2248, 2581, 2670, 2810, 3372, 3480, 3560, 4215, 5162, 5340, 5620, 6744, 7743, 8149, 8430, 10324, 10680, 11240, 12905, 15486, 16298, 16860, 20648, 24447, 25009, 25810, 30972, 32596, 33720, 38715, 40745, 48894, 50018, 51620, 61944, 65192, 75027, 77430, 81490, 97788, 100036, 103240, 122235, 125045, 150054, 154860, 162980, 195576, 200072, 244470, 250090, 300108, 309720, 325960, 375135, 488940, 500180, 600216, 725261, 750270, 977880, 1000360, 1450522, 1500540, 2175783, 2901044, 3001080, 3626305, 4351566, 5802088, 7252610, 8703132, 10878915, 14505220, 17406264, 21757830, 29010440, 43515660, 87031320]

約数ペア:

[(1, 87031320), (2, 43515660), (3, 29010440), (4, 21757830), (5, 17406264), (6, 14505220), (8, 10878915), (10, 8703132), (12, 7252610), (15, 5802088), (20, 4351566), (24, 3626305), (29, 3001080), (30, 2901044), (40, 2175783), (58, 1500540), (60, 1450522), (87, 1000360), (89, 977880), (116, 750270), (120, 725261), (145, 600216), (174, 500180), (178, 488940), (232, 375135), (267, 325960), (281, 309720), (290, 300108), (348, 250090), (356, 244470), (435, 200072), (445, 195576), (534, 162980), (562, 154860), (580, 150054), (696, 125045), (712, 122235), (843, 103240), (870, 100036), (890, 97788), (1068, 81490), (1124, 77430), (1160, 75027), (1335, 65192), (1405, 61944), (1686, 51620), (1740, 50018), (1780, 48894), (2136, 40745), (2248, 38715), (2581, 33720), (2670, 32596), (2810, 30972), (3372, 25810), (3480, 25009), (3560, 24447), (4215, 20648), (5162, 16860), (5340, 16298), (5620, 15486), (6744, 12905), (7743, 11240), (8149, 10680), (8430, 10324)]