90720972

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{14737}}^1$

素因数の和:14772

約数の個数: 60

約数和(自身を含む): 249661720

約数和(自身を除く): 158940748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 6156, 14737, 29474, 44211, 58948, 88422, 132633, 176844, 265266, 280003, 397899, 530532, 560006, 795798, 840009, 1120012, 1193697, 1591596, 1680018, 2387394, 2520027, 3360036, 4774788, 5040054, 7560081, 10080108, 15120162, 22680243, 30240324, 45360486, 90720972]

約数ペア:

[(1, 90720972), (2, 45360486), (3, 30240324), (4, 22680243), (6, 15120162), (9, 10080108), (12, 7560081), (18, 5040054), (19, 4774788), (27, 3360036), (36, 2520027), (38, 2387394), (54, 1680018), (57, 1591596), (76, 1193697), (81, 1120012), (108, 840009), (114, 795798), (162, 560006), (171, 530532), (228, 397899), (324, 280003), (342, 265266), (513, 176844), (684, 132633), (1026, 88422), (1539, 58948), (2052, 44211), (3078, 29474), (6156, 14737)]