640701810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1489}}^1$

素因数の和:2192

約数の個数: 96

約数和(自身を含む): 1907867520

約数和(自身を除く): 1267165710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 683, 1366, 1489, 2049, 2978, 3415, 4098, 4467, 4781, 6147, 6830, 7445, 8934, 9562, 10245, 10423, 12294, 13401, 14343, 14890, 20490, 20846, 22335, 23905, 26802, 28686, 30735, 31269, 43029, 44670, 47810, 52115, 61470, 62538, 67005, 71715, 86058, 93807, 104230, 134010, 143430, 156345, 187614, 215145, 312690, 430290, 469035, 938070, 1016987, 2033974, 3050961, 5084935, 6101922, 7118909, 9152883, 10169870, 14237818, 15254805, 18305766, 21356727, 30509610, 35594545, 42713454, 45764415, 64070181, 71189090, 91528830, 106783635, 128140362, 213567270, 320350905, 640701810]

約数ペア:

[(1, 640701810), (2, 320350905), (3, 213567270), (5, 128140362), (6, 106783635), (7, 91528830), (9, 71189090), (10, 64070181), (14, 45764415), (15, 42713454), (18, 35594545), (21, 30509610), (30, 21356727), (35, 18305766), (42, 15254805), (45, 14237818), (63, 10169870), (70, 9152883), (90, 7118909), (105, 6101922), (126, 5084935), (210, 3050961), (315, 2033974), (630, 1016987), (683, 938070), (1366, 469035), (1489, 430290), (2049, 312690), (2978, 215145), (3415, 187614), (4098, 156345), (4467, 143430), (4781, 134010), (6147, 104230), (6830, 93807), (7445, 86058), (8934, 71715), (9562, 67005), (10245, 62538), (10423, 61470), (12294, 52115), (13401, 47810), (14343, 44670), (14890, 43029), (20490, 31269), (20846, 30735), (22335, 28686), (23905, 26802)]