216521360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7992

約数の個数: 80

約数和(自身を含む): 566963712

約数和(自身を除く): 350442352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 7937, 13640, 15874, 27280, 31748, 39685, 63496, 79370, 87307, 126992, 158740, 174614, 246047, 317480, 349228, 436535, 492094, 634960, 698456, 873070, 984188, 1230235, 1396912, 1746140, 1968376, 2460470, 2706517, 3492280, 3936752, 4920940, 5413034, 6984560, 9841880, 10826068, 13532585, 19683760, 21652136, 27065170, 43304272, 54130340, 108260680, 216521360]

約数ペア:

[(1, 216521360), (2, 108260680), (4, 54130340), (5, 43304272), (8, 27065170), (10, 21652136), (11, 19683760), (16, 13532585), (20, 10826068), (22, 9841880), (31, 6984560), (40, 5413034), (44, 4920940), (55, 3936752), (62, 3492280), (80, 2706517), (88, 2460470), (110, 1968376), (124, 1746140), (155, 1396912), (176, 1230235), (220, 984188), (248, 873070), (310, 698456), (341, 634960), (440, 492094), (496, 436535), (620, 349228), (682, 317480), (880, 246047), (1240, 174614), (1364, 158740), (1705, 126992), (2480, 87307), (2728, 79370), (3410, 63496), (5456, 39685), (6820, 31748), (7937, 27280), (13640, 15874)]