820598940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6323}}^1$

素因数の和:6448

約数の個数: 144

約数和(自身を含む): 2872816128

約数和(自身を除く): 2052217188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 103, 105, 126, 140, 180, 206, 210, 252, 309, 315, 412, 420, 515, 618, 630, 721, 927, 1030, 1236, 1260, 1442, 1545, 1854, 2060, 2163, 2884, 3090, 3605, 3708, 4326, 4635, 6180, 6323, 6489, 7210, 8652, 9270, 10815, 12646, 12978, 14420, 18540, 18969, 21630, 25292, 25956, 31615, 32445, 37938, 43260, 44261, 56907, 63230, 64890, 75876, 88522, 94845, 113814, 126460, 129780, 132783, 177044, 189690, 221305, 227628, 265566, 284535, 379380, 398349, 442610, 531132, 569070, 651269, 663915, 796698, 885220, 1138140, 1302538, 1327830, 1593396, 1953807, 1991745, 2605076, 2655660, 3256345, 3907614, 3983490, 4558883, 5861421, 6512690, 7815228, 7966980, 9117766, 9769035, 11722842, 13025380, 13676649, 18235532, 19538070, 22794415, 23445684, 27353298, 29307105, 39076140, 41029947, 45588830, 54706596, 58614210, 68383245, 82059894, 91177660, 117228420, 136766490, 164119788, 205149735, 273532980, 410299470, 820598940]

約数ペア:

[(1, 820598940), (2, 410299470), (3, 273532980), (4, 205149735), (5, 164119788), (6, 136766490), (7, 117228420), (9, 91177660), (10, 82059894), (12, 68383245), (14, 58614210), (15, 54706596), (18, 45588830), (20, 41029947), (21, 39076140), (28, 29307105), (30, 27353298), (35, 23445684), (36, 22794415), (42, 19538070), (45, 18235532), (60, 13676649), (63, 13025380), (70, 11722842), (84, 9769035), (90, 9117766), (103, 7966980), (105, 7815228), (126, 6512690), (140, 5861421), (180, 4558883), (206, 3983490), (210, 3907614), (252, 3256345), (309, 2655660), (315, 2605076), (412, 1991745), (420, 1953807), (515, 1593396), (618, 1327830), (630, 1302538), (721, 1138140), (927, 885220), (1030, 796698), (1236, 663915), (1260, 651269), (1442, 569070), (1545, 531132), (1854, 442610), (2060, 398349), (2163, 379380), (2884, 284535), (3090, 265566), (3605, 227628), (3708, 221305), (4326, 189690), (4635, 177044), (6180, 132783), (6323, 129780), (6489, 126460), (7210, 113814), (8652, 94845), (9270, 88522), (10815, 75876), (12646, 64890), (12978, 63230), (14420, 56907), (18540, 44261), (18969, 43260), (21630, 37938), (25292, 32445), (25956, 31615)]