123861920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 369847296

約数和(自身を除く): 245985376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 160, 181, 182, 188, 208, 224, 235, 260, 280, 329, 362, 364, 376, 416, 455, 470, 520, 560, 611, 658, 724, 728, 752, 905, 910, 940, 1040, 1120, 1222, 1267, 1316, 1448, 1456, 1504, 1645, 1810, 1820, 1880, 2080, 2353, 2444, 2534, 2632, 2896, 2912, 3055, 3290, 3620, 3640, 3760, 4277, 4706, 4888, 5068, 5264, 5792, 6110, 6335, 6580, 7240, 7280, 7520, 8507, 8554, 9412, 9776, 10136, 10528, 11765, 12220, 12670, 13160, 14480, 14560, 16471, 17014, 17108, 18824, 19552, 20272, 21385, 23530, 24440, 25340, 26320, 28960, 32942, 34028, 34216, 37648, 40544, 42535, 42770, 47060, 48880, 50680, 52640, 59549, 65884, 68056, 68432, 75296, 82355, 85070, 85540, 94120, 97760, 101360, 110591, 119098, 131768, 136112, 136864, 164710, 170140, 171080, 188240, 202720, 221182, 238196, 263536, 272224, 297745, 329420, 340280, 342160, 376480, 442364, 476392, 527072, 552955, 595490, 658840, 680560, 684320, 774137, 884728, 952784, 1105910, 1190980, 1317680, 1361120, 1548274, 1769456, 1905568, 2211820, 2381960, 2635360, 3096548, 3538912, 3870685, 4423640, 4763920, 6193096, 7741370, 8847280, 9527840, 12386192, 15482740, 17694560, 24772384, 30965480, 61930960, 123861920]

約数ペア:

[(1, 123861920), (2, 61930960), (4, 30965480), (5, 24772384), (7, 17694560), (8, 15482740), (10, 12386192), (13, 9527840), (14, 8847280), (16, 7741370), (20, 6193096), (26, 4763920), (28, 4423640), (32, 3870685), (35, 3538912), (40, 3096548), (47, 2635360), (52, 2381960), (56, 2211820), (65, 1905568), (70, 1769456), (80, 1548274), (91, 1361120), (94, 1317680), (104, 1190980), (112, 1105910), (130, 952784), (140, 884728), (160, 774137), (181, 684320), (182, 680560), (188, 658840), (208, 595490), (224, 552955), (235, 527072), (260, 476392), (280, 442364), (329, 376480), (362, 342160), (364, 340280), (376, 329420), (416, 297745), (455, 272224), (470, 263536), (520, 238196), (560, 221182), (611, 202720), (658, 188240), (724, 171080), (728, 170140), (752, 164710), (905, 136864), (910, 136112), (940, 131768), (1040, 119098), (1120, 110591), (1222, 101360), (1267, 97760), (1316, 94120), (1448, 85540), (1456, 85070), (1504, 82355), (1645, 75296), (1810, 68432), (1820, 68056), (1880, 65884), (2080, 59549), (2353, 52640), (2444, 50680), (2534, 48880), (2632, 47060), (2896, 42770), (2912, 42535), (3055, 40544), (3290, 37648), (3620, 34216), (3640, 34028), (3760, 32942), (4277, 28960), (4706, 26320), (4888, 25340), (5068, 24440), (5264, 23530), (5792, 21385), (6110, 20272), (6335, 19552), (6580, 18824), (7240, 17108), (7280, 17014), (7520, 16471), (8507, 14560), (8554, 14480), (9412, 13160), (9776, 12670), (10136, 12220), (10528, 11765)]