1664299620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{5711}}^1$

素因数の和:7345

約数の個数: 72

約数和(自身を含む): 5052378240

約数和(自身を除く): 3388078620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1619, 3238, 4857, 5711, 6476, 8095, 9714, 11422, 14571, 16190, 17133, 19428, 22844, 24285, 28555, 29142, 32380, 34266, 48570, 51399, 57110, 58284, 68532, 72855, 85665, 97140, 102798, 114220, 145710, 171330, 205596, 256995, 291420, 342660, 513990, 1027980, 9246109, 18492218, 27738327, 36984436, 46230545, 55476654, 83214981, 92461090, 110953308, 138691635, 166429962, 184922180, 277383270, 332859924, 416074905, 554766540, 832149810, 1664299620]

約数ペア:

[(1, 1664299620), (2, 832149810), (3, 554766540), (4, 416074905), (5, 332859924), (6, 277383270), (9, 184922180), (10, 166429962), (12, 138691635), (15, 110953308), (18, 92461090), (20, 83214981), (30, 55476654), (36, 46230545), (45, 36984436), (60, 27738327), (90, 18492218), (180, 9246109), (1619, 1027980), (3238, 513990), (4857, 342660), (5711, 291420), (6476, 256995), (8095, 205596), (9714, 171330), (11422, 145710), (14571, 114220), (16190, 102798), (17133, 97140), (19428, 85665), (22844, 72855), (24285, 68532), (28555, 58284), (29142, 57110), (32380, 51399), (34266, 48570)]