16240980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38669}}^1$

素因数の和:38688

約数の個数: 48

約数和(自身を含む): 51972480

約数和(自身を除く): 35731500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 38669, 77338, 116007, 154676, 193345, 232014, 270683, 386690, 464028, 541366, 580035, 773380, 812049, 1082732, 1160070, 1353415, 1624098, 2320140, 2706830, 3248196, 4060245, 5413660, 8120490, 16240980]

約数ペア:

[(1, 16240980), (2, 8120490), (3, 5413660), (4, 4060245), (5, 3248196), (6, 2706830), (7, 2320140), (10, 1624098), (12, 1353415), (14, 1160070), (15, 1082732), (20, 812049), (21, 773380), (28, 580035), (30, 541366), (35, 464028), (42, 386690), (60, 270683), (70, 232014), (84, 193345), (105, 154676), (140, 116007), (210, 77338), (420, 38669)]