18300780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 55862352

約数和(自身を除く): 37561572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 347, 586, 694, 879, 1041, 1172, 1388, 1465, 1735, 1758, 2082, 2637, 2930, 3123, 3470, 3516, 4164, 4395, 5205, 5274, 5860, 6246, 6940, 8790, 10410, 10548, 12492, 13185, 15615, 17580, 20820, 26370, 31230, 52740, 62460, 101671, 203342, 305013, 406684, 508355, 610026, 915039, 1016710, 1220052, 1525065, 1830078, 2033420, 3050130, 3660156, 4575195, 6100260, 9150390, 18300780]

約数ペア:

[(1, 18300780), (2, 9150390), (3, 6100260), (4, 4575195), (5, 3660156), (6, 3050130), (9, 2033420), (10, 1830078), (12, 1525065), (15, 1220052), (18, 1016710), (20, 915039), (30, 610026), (36, 508355), (45, 406684), (60, 305013), (90, 203342), (180, 101671), (293, 62460), (347, 52740), (586, 31230), (694, 26370), (879, 20820), (1041, 17580), (1172, 15615), (1388, 13185), (1465, 12492), (1735, 10548), (1758, 10410), (2082, 8790), (2637, 6940), (2930, 6246), (3123, 5860), (3470, 5274), (3516, 5205), (4164, 4395)]