84990420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24851}}^1$

素因数の和:24885

約数の個数: 72

約数和(自身を含む): 271383840

約数和(自身を除く): 186393420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 24851, 49702, 74553, 99404, 124255, 149106, 223659, 248510, 298212, 372765, 447318, 472169, 497020, 745530, 894636, 944338, 1118295, 1416507, 1491060, 1888676, 2236590, 2360845, 2833014, 4249521, 4473180, 4721690, 5666028, 7082535, 8499042, 9443380, 14165070, 16998084, 21247605, 28330140, 42495210, 84990420]

約数ペア:

[(1, 84990420), (2, 42495210), (3, 28330140), (4, 21247605), (5, 16998084), (6, 14165070), (9, 9443380), (10, 8499042), (12, 7082535), (15, 5666028), (18, 4721690), (19, 4473180), (20, 4249521), (30, 2833014), (36, 2360845), (38, 2236590), (45, 1888676), (57, 1491060), (60, 1416507), (76, 1118295), (90, 944338), (95, 894636), (114, 745530), (171, 497020), (180, 472169), (190, 447318), (228, 372765), (285, 298212), (342, 248510), (380, 223659), (570, 149106), (684, 124255), (855, 99404), (1140, 74553), (1710, 49702), (3420, 24851)]