28715610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 88915968

約数和(自身を除く): 60200358

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 310, 330, 341, 385, 401, 434, 462, 465, 651, 682, 770, 802, 930, 1023, 1085, 1155, 1203, 1302, 1705, 2005, 2046, 2170, 2310, 2387, 2406, 2807, 3255, 3410, 4010, 4411, 4774, 5115, 5614, 6015, 6510, 7161, 8421, 8822, 10230, 11935, 12030, 12431, 13233, 14035, 14322, 16842, 22055, 23870, 24862, 26466, 28070, 30877, 35805, 37293, 42105, 44110, 61754, 62155, 66165, 71610, 74586, 84210, 87017, 92631, 124310, 132330, 136741, 154385, 174034, 185262, 186465, 261051, 273482, 308770, 372930, 410223, 435085, 463155, 522102, 683705, 820446, 870170, 926310, 957187, 1305255, 1367410, 1914374, 2051115, 2610510, 2871561, 4102230, 4785935, 5743122, 9571870, 14357805, 28715610]

約数ペア:

[(1, 28715610), (2, 14357805), (3, 9571870), (5, 5743122), (6, 4785935), (7, 4102230), (10, 2871561), (11, 2610510), (14, 2051115), (15, 1914374), (21, 1367410), (22, 1305255), (30, 957187), (31, 926310), (33, 870170), (35, 820446), (42, 683705), (55, 522102), (62, 463155), (66, 435085), (70, 410223), (77, 372930), (93, 308770), (105, 273482), (110, 261051), (154, 186465), (155, 185262), (165, 174034), (186, 154385), (210, 136741), (217, 132330), (231, 124310), (310, 92631), (330, 87017), (341, 84210), (385, 74586), (401, 71610), (434, 66165), (462, 62155), (465, 61754), (651, 44110), (682, 42105), (770, 37293), (802, 35805), (930, 30877), (1023, 28070), (1085, 26466), (1155, 24862), (1203, 23870), (1302, 22055), (1705, 16842), (2005, 14322), (2046, 14035), (2170, 13233), (2310, 12431), (2387, 12030), (2406, 11935), (2807, 10230), (3255, 8822), (3410, 8421), (4010, 7161), (4411, 6510), (4774, 6015), (5115, 5614)]