989851140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{3541}}^1$

素因数の和:5109

約数の個数: 72

約数和(自身を含む): 3005330328

約数和(自身を除く): 2015479188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1553, 3106, 3541, 4659, 6212, 7082, 7765, 9318, 10623, 13977, 14164, 15530, 17705, 18636, 21246, 23295, 27954, 31060, 31869, 35410, 42492, 46590, 53115, 55908, 63738, 69885, 70820, 93180, 106230, 127476, 139770, 159345, 212460, 279540, 318690, 637380, 5499173, 10998346, 16497519, 21996692, 27495865, 32995038, 49492557, 54991730, 65990076, 82487595, 98985114, 109983460, 164975190, 197970228, 247462785, 329950380, 494925570, 989851140]

約数ペア:

[(1, 989851140), (2, 494925570), (3, 329950380), (4, 247462785), (5, 197970228), (6, 164975190), (9, 109983460), (10, 98985114), (12, 82487595), (15, 65990076), (18, 54991730), (20, 49492557), (30, 32995038), (36, 27495865), (45, 21996692), (60, 16497519), (90, 10998346), (180, 5499173), (1553, 637380), (3106, 318690), (3541, 279540), (4659, 212460), (6212, 159345), (7082, 139770), (7765, 127476), (9318, 106230), (10623, 93180), (13977, 70820), (14164, 69885), (15530, 63738), (17705, 55908), (18636, 53115), (21246, 46590), (23295, 42492), (27954, 35410), (31060, 31869)]