65401280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 187287408

約数和(自身を除く): 121886128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 97, 98, 112, 140, 160, 172, 194, 196, 215, 224, 245, 280, 301, 320, 344, 388, 392, 430, 448, 485, 490, 560, 602, 679, 688, 776, 784, 860, 970, 980, 1120, 1204, 1358, 1376, 1505, 1552, 1568, 1720, 1940, 1960, 2107, 2240, 2408, 2716, 2752, 3010, 3104, 3136, 3395, 3440, 3880, 3920, 4171, 4214, 4753, 4816, 5432, 6020, 6208, 6790, 6880, 7760, 7840, 8342, 8428, 9506, 9632, 10535, 10864, 12040, 13580, 13760, 15520, 15680, 16684, 16856, 19012, 19264, 20855, 21070, 21728, 23765, 24080, 27160, 29197, 31040, 33368, 33712, 38024, 41710, 42140, 43456, 47530, 48160, 54320, 58394, 66736, 67424, 76048, 83420, 84280, 95060, 96320, 108640, 116788, 133472, 134848, 145985, 152096, 166840, 168560, 190120, 204379, 217280, 233576, 266944, 291970, 304192, 333680, 337120, 380240, 408758, 467152, 583940, 667360, 674240, 760480, 817516, 934304, 1021895, 1167880, 1334720, 1520960, 1635032, 1868608, 2043790, 2335760, 3270064, 4087580, 4671520, 6540128, 8175160, 9343040, 13080256, 16350320, 32700640, 65401280]

約数ペア:

[(1, 65401280), (2, 32700640), (4, 16350320), (5, 13080256), (7, 9343040), (8, 8175160), (10, 6540128), (14, 4671520), (16, 4087580), (20, 3270064), (28, 2335760), (32, 2043790), (35, 1868608), (40, 1635032), (43, 1520960), (49, 1334720), (56, 1167880), (64, 1021895), (70, 934304), (80, 817516), (86, 760480), (97, 674240), (98, 667360), (112, 583940), (140, 467152), (160, 408758), (172, 380240), (194, 337120), (196, 333680), (215, 304192), (224, 291970), (245, 266944), (280, 233576), (301, 217280), (320, 204379), (344, 190120), (388, 168560), (392, 166840), (430, 152096), (448, 145985), (485, 134848), (490, 133472), (560, 116788), (602, 108640), (679, 96320), (688, 95060), (776, 84280), (784, 83420), (860, 76048), (970, 67424), (980, 66736), (1120, 58394), (1204, 54320), (1358, 48160), (1376, 47530), (1505, 43456), (1552, 42140), (1568, 41710), (1720, 38024), (1940, 33712), (1960, 33368), (2107, 31040), (2240, 29197), (2408, 27160), (2716, 24080), (2752, 23765), (3010, 21728), (3104, 21070), (3136, 20855), (3395, 19264), (3440, 19012), (3880, 16856), (3920, 16684), (4171, 15680), (4214, 15520), (4753, 13760), (4816, 13580), (5432, 12040), (6020, 10864), (6208, 10535), (6790, 9632), (6880, 9506), (7760, 8428), (7840, 8342)]