81444300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38783}}^1$

素因数の和:38807

約数の個数: 72

約数和(自身を含む): 269316096

約数和(自身を除く): 187871796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38783, 77566, 116349, 155132, 193915, 232698, 271481, 387830, 465396, 542962, 581745, 775660, 814443, 969575, 1085924, 1163490, 1357405, 1628886, 1939150, 2326980, 2714810, 2908725, 3257772, 3878300, 4072215, 5429620, 5817450, 6787025, 8144430, 11634900, 13574050, 16288860, 20361075, 27148100, 40722150, 81444300]

約数ペア:

[(1, 81444300), (2, 40722150), (3, 27148100), (4, 20361075), (5, 16288860), (6, 13574050), (7, 11634900), (10, 8144430), (12, 6787025), (14, 5817450), (15, 5429620), (20, 4072215), (21, 3878300), (25, 3257772), (28, 2908725), (30, 2714810), (35, 2326980), (42, 1939150), (50, 1628886), (60, 1357405), (70, 1163490), (75, 1085924), (84, 969575), (100, 814443), (105, 775660), (140, 581745), (150, 542962), (175, 465396), (210, 387830), (300, 271481), (350, 232698), (420, 193915), (525, 155132), (700, 116349), (1050, 77566), (2100, 38783)]