64921290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 126679350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 53, 57, 70, 95, 105, 106, 114, 133, 159, 190, 210, 265, 266, 285, 307, 318, 371, 399, 530, 570, 614, 665, 742, 795, 798, 921, 1007, 1113, 1330, 1535, 1590, 1842, 1855, 1995, 2014, 2149, 2226, 3021, 3070, 3710, 3990, 4298, 4605, 5035, 5565, 5833, 6042, 6447, 7049, 9210, 10070, 10745, 11130, 11666, 12894, 14098, 15105, 16271, 17499, 21147, 21490, 29165, 30210, 32235, 32542, 34998, 35245, 40831, 42294, 48813, 58330, 64470, 70490, 81355, 81662, 87495, 97626, 105735, 113897, 122493, 162710, 174990, 204155, 211470, 227794, 244065, 244986, 309149, 341691, 408310, 488130, 569485, 612465, 618298, 683382, 927447, 1138970, 1224930, 1545745, 1708455, 1854894, 2164043, 3091490, 3416910, 4328086, 4637235, 6492129, 9274470, 10820215, 12984258, 21640430, 32460645, 64921290]

約数ペア:

[(1, 64921290), (2, 32460645), (3, 21640430), (5, 12984258), (6, 10820215), (7, 9274470), (10, 6492129), (14, 4637235), (15, 4328086), (19, 3416910), (21, 3091490), (30, 2164043), (35, 1854894), (38, 1708455), (42, 1545745), (53, 1224930), (57, 1138970), (70, 927447), (95, 683382), (105, 618298), (106, 612465), (114, 569485), (133, 488130), (159, 408310), (190, 341691), (210, 309149), (265, 244986), (266, 244065), (285, 227794), (307, 211470), (318, 204155), (371, 174990), (399, 162710), (530, 122493), (570, 113897), (614, 105735), (665, 97626), (742, 87495), (795, 81662), (798, 81355), (921, 70490), (1007, 64470), (1113, 58330), (1330, 48813), (1535, 42294), (1590, 40831), (1842, 35245), (1855, 34998), (1995, 32542), (2014, 32235), (2149, 30210), (2226, 29165), (3021, 21490), (3070, 21147), (3710, 17499), (3990, 16271), (4298, 15105), (4605, 14098), (5035, 12894), (5565, 11666), (5833, 11130), (6042, 10745), (6447, 10070), (7049, 9210)]