128395920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:833

約数の個数: 160

約数和(自身を含む): 430865280

約数和(自身を除く): 302469360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 761, 888, 912, 1110, 1140, 1406, 1480, 1520, 1522, 1776, 2109, 2220, 2280, 2283, 2812, 2960, 3044, 3515, 3805, 4218, 4440, 4560, 4566, 5624, 6088, 7030, 7610, 8436, 8880, 9132, 10545, 11248, 11415, 12176, 14060, 14459, 15220, 16872, 18264, 21090, 22830, 28120, 28157, 28918, 30440, 33744, 36528, 42180, 43377, 45660, 56240, 56314, 57836, 60880, 72295, 84360, 84471, 86754, 91320, 112628, 115672, 140785, 144590, 168720, 168942, 173508, 182640, 216885, 225256, 231344, 281570, 289180, 337884, 347016, 422355, 433770, 450512, 534983, 563140, 578360, 675768, 694032, 844710, 867540, 1069966, 1126280, 1156720, 1351536, 1604949, 1689420, 1735080, 2139932, 2252560, 2674915, 3209898, 3378840, 3470160, 4279864, 5349830, 6419796, 6757680, 8024745, 8559728, 10699660, 12839592, 16049490, 21399320, 25679184, 32098980, 42798640, 64197960, 128395920]

約数ペア:

[(1, 128395920), (2, 64197960), (3, 42798640), (4, 32098980), (5, 25679184), (6, 21399320), (8, 16049490), (10, 12839592), (12, 10699660), (15, 8559728), (16, 8024745), (19, 6757680), (20, 6419796), (24, 5349830), (30, 4279864), (37, 3470160), (38, 3378840), (40, 3209898), (48, 2674915), (57, 2252560), (60, 2139932), (74, 1735080), (76, 1689420), (80, 1604949), (95, 1351536), (111, 1156720), (114, 1126280), (120, 1069966), (148, 867540), (152, 844710), (185, 694032), (190, 675768), (222, 578360), (228, 563140), (240, 534983), (285, 450512), (296, 433770), (304, 422355), (370, 347016), (380, 337884), (444, 289180), (456, 281570), (555, 231344), (570, 225256), (592, 216885), (703, 182640), (740, 173508), (760, 168942), (761, 168720), (888, 144590), (912, 140785), (1110, 115672), (1140, 112628), (1406, 91320), (1480, 86754), (1520, 84471), (1522, 84360), (1776, 72295), (2109, 60880), (2220, 57836), (2280, 56314), (2283, 56240), (2812, 45660), (2960, 43377), (3044, 42180), (3515, 36528), (3805, 33744), (4218, 30440), (4440, 28918), (4560, 28157), (4566, 28120), (5624, 22830), (6088, 21090), (7030, 18264), (7610, 16872), (8436, 15220), (8880, 14459), (9132, 14060), (10545, 12176), (11248, 11415)]