68335890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 198720000

約数和(自身を除く): 130384110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 229, 245, 290, 294, 343, 406, 435, 458, 490, 609, 686, 687, 735, 870, 1015, 1029, 1145, 1218, 1374, 1421, 1470, 1603, 1715, 2030, 2058, 2290, 2842, 3045, 3206, 3430, 3435, 4263, 4809, 5145, 6090, 6641, 6870, 7105, 8015, 8526, 9618, 9947, 10290, 11221, 13282, 14210, 16030, 19894, 19923, 21315, 22442, 24045, 29841, 33205, 33663, 39846, 42630, 46487, 48090, 49735, 56105, 59682, 66410, 67326, 78547, 92974, 99470, 99615, 112210, 139461, 149205, 157094, 168315, 199230, 232435, 235641, 278922, 298410, 325409, 336630, 392735, 464870, 471282, 650818, 697305, 785470, 976227, 1178205, 1394610, 1627045, 1952454, 2277863, 2356410, 3254090, 4555726, 4881135, 6833589, 9762270, 11389315, 13667178, 22778630, 34167945, 68335890]

約数ペア:

[(1, 68335890), (2, 34167945), (3, 22778630), (5, 13667178), (6, 11389315), (7, 9762270), (10, 6833589), (14, 4881135), (15, 4555726), (21, 3254090), (29, 2356410), (30, 2277863), (35, 1952454), (42, 1627045), (49, 1394610), (58, 1178205), (70, 976227), (87, 785470), (98, 697305), (105, 650818), (145, 471282), (147, 464870), (174, 392735), (203, 336630), (210, 325409), (229, 298410), (245, 278922), (290, 235641), (294, 232435), (343, 199230), (406, 168315), (435, 157094), (458, 149205), (490, 139461), (609, 112210), (686, 99615), (687, 99470), (735, 92974), (870, 78547), (1015, 67326), (1029, 66410), (1145, 59682), (1218, 56105), (1374, 49735), (1421, 48090), (1470, 46487), (1603, 42630), (1715, 39846), (2030, 33663), (2058, 33205), (2290, 29841), (2842, 24045), (3045, 22442), (3206, 21315), (3430, 19923), (3435, 19894), (4263, 16030), (4809, 14210), (5145, 13282), (6090, 11221), (6641, 10290), (6870, 9947), (7105, 9618), (8015, 8526)]