19967760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27733}}^1$

素因数の和:27752

約数の個数: 60

約数和(自身を含む): 67060812

約数和(自身を除く): 47093052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27733, 55466, 83199, 110932, 138665, 166398, 221864, 249597, 277330, 332796, 415995, 443728, 499194, 554660, 665592, 831990, 998388, 1109320, 1247985, 1331184, 1663980, 1996776, 2218640, 2495970, 3327960, 3993552, 4991940, 6655920, 9983880, 19967760]

約数ペア:

[(1, 19967760), (2, 9983880), (3, 6655920), (4, 4991940), (5, 3993552), (6, 3327960), (8, 2495970), (9, 2218640), (10, 1996776), (12, 1663980), (15, 1331184), (16, 1247985), (18, 1109320), (20, 998388), (24, 831990), (30, 665592), (36, 554660), (40, 499194), (45, 443728), (48, 415995), (60, 332796), (72, 277330), (80, 249597), (90, 221864), (120, 166398), (144, 138665), (180, 110932), (240, 83199), (360, 55466), (720, 27733)]