64408540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 162288000

約数和(自身を除く): 97879460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 229, 245, 287, 343, 410, 458, 490, 574, 686, 820, 916, 980, 1145, 1148, 1372, 1435, 1603, 1715, 2009, 2290, 2870, 3206, 3430, 4018, 4580, 5740, 6412, 6860, 8015, 8036, 9389, 10045, 11221, 14063, 16030, 18778, 20090, 22442, 28126, 32060, 37556, 40180, 44884, 46945, 56105, 56252, 65723, 70315, 78547, 93890, 112210, 131446, 140630, 157094, 187780, 224420, 262892, 281260, 314188, 328615, 392735, 460061, 657230, 785470, 920122, 1314460, 1570940, 1840244, 2300305, 3220427, 4600610, 6440854, 9201220, 12881708, 16102135, 32204270, 64408540]

約数ペア:

[(1, 64408540), (2, 32204270), (4, 16102135), (5, 12881708), (7, 9201220), (10, 6440854), (14, 4600610), (20, 3220427), (28, 2300305), (35, 1840244), (41, 1570940), (49, 1314460), (70, 920122), (82, 785470), (98, 657230), (140, 460061), (164, 392735), (196, 328615), (205, 314188), (229, 281260), (245, 262892), (287, 224420), (343, 187780), (410, 157094), (458, 140630), (490, 131446), (574, 112210), (686, 93890), (820, 78547), (916, 70315), (980, 65723), (1145, 56252), (1148, 56105), (1372, 46945), (1435, 44884), (1603, 40180), (1715, 37556), (2009, 32060), (2290, 28126), (2870, 22442), (3206, 20090), (3430, 18778), (4018, 16030), (4580, 14063), (5740, 11221), (6412, 10045), (6860, 9389), (8015, 8036)]