123837560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 128

約数和(自身を含む): 358871040

約数和(自身を除く): 235033480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1297, 1364, 1540, 1705, 1736, 2170, 2387, 2594, 2728, 3080, 3410, 4340, 4774, 5188, 6485, 6820, 8680, 9079, 9548, 10376, 11935, 12970, 13640, 14267, 18158, 19096, 23870, 25940, 28534, 36316, 40207, 45395, 47740, 51880, 57068, 71335, 72632, 80414, 90790, 95480, 99869, 114136, 142670, 160828, 181580, 199738, 201035, 281449, 285340, 321656, 363160, 399476, 402070, 442277, 499345, 562898, 570680, 798952, 804140, 884554, 998690, 1125796, 1407245, 1608280, 1769108, 1997380, 2211385, 2251592, 2814490, 3095939, 3538216, 3994760, 4422770, 5628980, 6191878, 8845540, 11257960, 12383756, 15479695, 17691080, 24767512, 30959390, 61918780, 123837560]

約数ペア:

[(1, 123837560), (2, 61918780), (4, 30959390), (5, 24767512), (7, 17691080), (8, 15479695), (10, 12383756), (11, 11257960), (14, 8845540), (20, 6191878), (22, 5628980), (28, 4422770), (31, 3994760), (35, 3538216), (40, 3095939), (44, 2814490), (55, 2251592), (56, 2211385), (62, 1997380), (70, 1769108), (77, 1608280), (88, 1407245), (110, 1125796), (124, 998690), (140, 884554), (154, 804140), (155, 798952), (217, 570680), (220, 562898), (248, 499345), (280, 442277), (308, 402070), (310, 399476), (341, 363160), (385, 321656), (434, 285340), (440, 281449), (616, 201035), (620, 199738), (682, 181580), (770, 160828), (868, 142670), (1085, 114136), (1240, 99869), (1297, 95480), (1364, 90790), (1540, 80414), (1705, 72632), (1736, 71335), (2170, 57068), (2387, 51880), (2594, 47740), (2728, 45395), (3080, 40207), (3410, 36316), (4340, 28534), (4774, 25940), (5188, 23870), (6485, 19096), (6820, 18158), (8680, 14267), (9079, 13640), (9548, 12970), (10376, 11935)]