83681220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28463}}^1$

素因数の和:28489

約数の個数: 72

約数和(自身を含む): 272571264

約数和(自身を除く): 188890044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28463, 56926, 85389, 113852, 142315, 170778, 199241, 284630, 341556, 398482, 426945, 569260, 597723, 796964, 853890, 996205, 1195446, 1394687, 1707780, 1992410, 2390892, 2789374, 2988615, 3984820, 4184061, 5578748, 5977230, 6973435, 8368122, 11954460, 13946870, 16736244, 20920305, 27893740, 41840610, 83681220]

約数ペア:

[(1, 83681220), (2, 41840610), (3, 27893740), (4, 20920305), (5, 16736244), (6, 13946870), (7, 11954460), (10, 8368122), (12, 6973435), (14, 5977230), (15, 5578748), (20, 4184061), (21, 3984820), (28, 2988615), (30, 2789374), (35, 2390892), (42, 1992410), (49, 1707780), (60, 1394687), (70, 1195446), (84, 996205), (98, 853890), (105, 796964), (140, 597723), (147, 569260), (196, 426945), (210, 398482), (245, 341556), (294, 284630), (420, 199241), (490, 170778), (588, 142315), (735, 113852), (980, 85389), (1470, 56926), (2940, 28463)]