12868528040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 29877120000

約数和(自身を除く): 17008591960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 149, 151, 158, 181, 298, 302, 316, 362, 395, 596, 604, 632, 724, 745, 755, 790, 905, 1192, 1208, 1448, 1490, 1510, 1580, 1810, 2980, 3020, 3160, 3620, 5960, 6040, 7240, 11771, 11929, 14299, 22499, 23542, 23858, 26969, 27331, 28598, 44998, 47084, 47716, 53938, 54662, 57196, 58855, 59645, 71495, 89996, 94168, 95432, 107876, 109324, 112495, 114392, 117710, 119290, 134845, 136655, 142990, 179992, 215752, 218648, 224990, 235420, 238580, 269690, 273310, 285980, 449980, 470840, 477160, 539380, 546620, 571960, 899960, 1078760, 1093240, 1777421, 2130551, 2159149, 3554842, 4072319, 4261102, 4318298, 7109684, 8144638, 8522204, 8636596, 8887105, 10652755, 10795745, 14219368, 16289276, 17044408, 17273192, 17774210, 20361595, 21305510, 21591490, 32578552, 35548420, 40723190, 42611020, 43182980, 71096840, 81446380, 85222040, 86365960, 162892760, 321713201, 643426402, 1286852804, 1608566005, 2573705608, 3217132010, 6434264020, 12868528040]

約数ペア:

[(1, 12868528040), (2, 6434264020), (4, 3217132010), (5, 2573705608), (8, 1608566005), (10, 1286852804), (20, 643426402), (40, 321713201), (79, 162892760), (149, 86365960), (151, 85222040), (158, 81446380), (181, 71096840), (298, 43182980), (302, 42611020), (316, 40723190), (362, 35548420), (395, 32578552), (596, 21591490), (604, 21305510), (632, 20361595), (724, 17774210), (745, 17273192), (755, 17044408), (790, 16289276), (905, 14219368), (1192, 10795745), (1208, 10652755), (1448, 8887105), (1490, 8636596), (1510, 8522204), (1580, 8144638), (1810, 7109684), (2980, 4318298), (3020, 4261102), (3160, 4072319), (3620, 3554842), (5960, 2159149), (6040, 2130551), (7240, 1777421), (11771, 1093240), (11929, 1078760), (14299, 899960), (22499, 571960), (23542, 546620), (23858, 539380), (26969, 477160), (27331, 470840), (28598, 449980), (44998, 285980), (47084, 273310), (47716, 269690), (53938, 238580), (54662, 235420), (57196, 224990), (58855, 218648), (59645, 215752), (71495, 179992), (89996, 142990), (94168, 136655), (95432, 134845), (107876, 119290), (109324, 117710), (112495, 114392)]