90020556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3623

約数の個数: 72

約数和(自身を含む): 246071280

約数和(自身を除く): 156050724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 3557, 4218, 6327, 7114, 8436, 10671, 12654, 14228, 21342, 25308, 32013, 42684, 64026, 67583, 128052, 131609, 135166, 202749, 263218, 270332, 394827, 405498, 526436, 608247, 789654, 810996, 1184481, 1216494, 1579308, 2368962, 2432988, 2500571, 4737924, 5001142, 7501713, 10002284, 15003426, 22505139, 30006852, 45010278, 90020556]

約数ペア:

[(1, 90020556), (2, 45010278), (3, 30006852), (4, 22505139), (6, 15003426), (9, 10002284), (12, 7501713), (18, 5001142), (19, 4737924), (36, 2500571), (37, 2432988), (38, 2368962), (57, 1579308), (74, 1216494), (76, 1184481), (111, 810996), (114, 789654), (148, 608247), (171, 526436), (222, 405498), (228, 394827), (333, 270332), (342, 263218), (444, 202749), (666, 135166), (684, 131609), (703, 128052), (1332, 67583), (1406, 64026), (2109, 42684), (2812, 32013), (3557, 25308), (4218, 21342), (6327, 14228), (7114, 12654), (8436, 10671)]