128467920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1697

約数の個数: 160

約数和(自身を含む): 465113088

約数和(自身を除く): 336645168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 1128, 1316, 1410, 1627, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3254, 3290, 3760, 3948, 4881, 4935, 5264, 5640, 6508, 6580, 7896, 8135, 9762, 9870, 11280, 11389, 13016, 13160, 15792, 16270, 19524, 19740, 22778, 24405, 26032, 26320, 32540, 34167, 39048, 39480, 45556, 48810, 56945, 65080, 68334, 76469, 78096, 78960, 91112, 97620, 113890, 130160, 136668, 152938, 170835, 182224, 195240, 227780, 229407, 273336, 305876, 341670, 382345, 390480, 455560, 458814, 535283, 546672, 611752, 683340, 764690, 911120, 917628, 1070566, 1147035, 1223504, 1366680, 1529380, 1605849, 1835256, 2141132, 2294070, 2676415, 2733360, 3058760, 3211698, 3670512, 4282264, 4588140, 5352830, 6117520, 6423396, 8029245, 8564528, 9176280, 10705660, 12846792, 16058490, 18352560, 21411320, 25693584, 32116980, 42822640, 64233960, 128467920]

約数ペア:

[(1, 128467920), (2, 64233960), (3, 42822640), (4, 32116980), (5, 25693584), (6, 21411320), (7, 18352560), (8, 16058490), (10, 12846792), (12, 10705660), (14, 9176280), (15, 8564528), (16, 8029245), (20, 6423396), (21, 6117520), (24, 5352830), (28, 4588140), (30, 4282264), (35, 3670512), (40, 3211698), (42, 3058760), (47, 2733360), (48, 2676415), (56, 2294070), (60, 2141132), (70, 1835256), (80, 1605849), (84, 1529380), (94, 1366680), (105, 1223504), (112, 1147035), (120, 1070566), (140, 917628), (141, 911120), (168, 764690), (188, 683340), (210, 611752), (235, 546672), (240, 535283), (280, 458814), (282, 455560), (329, 390480), (336, 382345), (376, 341670), (420, 305876), (470, 273336), (560, 229407), (564, 227780), (658, 195240), (705, 182224), (752, 170835), (840, 152938), (940, 136668), (987, 130160), (1128, 113890), (1316, 97620), (1410, 91112), (1627, 78960), (1645, 78096), (1680, 76469), (1880, 68334), (1974, 65080), (2256, 56945), (2632, 48810), (2820, 45556), (3254, 39480), (3290, 39048), (3760, 34167), (3948, 32540), (4881, 26320), (4935, 26032), (5264, 24405), (5640, 22778), (6508, 19740), (6580, 19524), (7896, 16270), (8135, 15792), (9762, 13160), (9870, 13016), (11280, 11389)]