61885020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 179020800

約数和(自身を除く): 117135780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 73, 142, 146, 199, 213, 219, 284, 292, 355, 365, 398, 426, 438, 597, 710, 730, 796, 852, 876, 995, 1065, 1095, 1194, 1420, 1460, 1990, 2130, 2190, 2388, 2985, 3980, 4260, 4380, 5183, 5970, 10366, 11940, 14129, 14527, 15549, 20732, 25915, 28258, 29054, 31098, 42387, 43581, 51830, 56516, 58108, 62196, 70645, 72635, 77745, 84774, 87162, 103660, 141290, 145270, 155490, 169548, 174324, 211935, 217905, 282580, 290540, 310980, 423870, 435810, 847740, 871620, 1031417, 2062834, 3094251, 4125668, 5157085, 6188502, 10314170, 12377004, 15471255, 20628340, 30942510, 61885020]

約数ペア:

[(1, 61885020), (2, 30942510), (3, 20628340), (4, 15471255), (5, 12377004), (6, 10314170), (10, 6188502), (12, 5157085), (15, 4125668), (20, 3094251), (30, 2062834), (60, 1031417), (71, 871620), (73, 847740), (142, 435810), (146, 423870), (199, 310980), (213, 290540), (219, 282580), (284, 217905), (292, 211935), (355, 174324), (365, 169548), (398, 155490), (426, 145270), (438, 141290), (597, 103660), (710, 87162), (730, 84774), (796, 77745), (852, 72635), (876, 70645), (995, 62196), (1065, 58108), (1095, 56516), (1194, 51830), (1420, 43581), (1460, 42387), (1990, 31098), (2130, 29054), (2190, 28258), (2388, 25915), (2985, 20732), (3980, 15549), (4260, 14527), (4380, 14129), (5183, 11940), (5970, 10366)]