65471280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38971}}^1$

素因数の和:38994

約数の個数: 80

約数和(自身を含む): 231961344

約数和(自身を除く): 166490064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38971, 77942, 116913, 155884, 194855, 233826, 272797, 311768, 389710, 467652, 545594, 584565, 623536, 779420, 818391, 935304, 1091188, 1169130, 1363985, 1558840, 1636782, 1870608, 2182376, 2338260, 2727970, 3117680, 3273564, 4091955, 4364752, 4676520, 5455940, 6547128, 8183910, 9353040, 10911880, 13094256, 16367820, 21823760, 32735640, 65471280]

約数ペア:

[(1, 65471280), (2, 32735640), (3, 21823760), (4, 16367820), (5, 13094256), (6, 10911880), (7, 9353040), (8, 8183910), (10, 6547128), (12, 5455940), (14, 4676520), (15, 4364752), (16, 4091955), (20, 3273564), (21, 3117680), (24, 2727970), (28, 2338260), (30, 2182376), (35, 1870608), (40, 1636782), (42, 1558840), (48, 1363985), (56, 1169130), (60, 1091188), (70, 935304), (80, 818391), (84, 779420), (105, 623536), (112, 584565), (120, 545594), (140, 467652), (168, 389710), (210, 311768), (240, 272797), (280, 233826), (336, 194855), (420, 155884), (560, 116913), (840, 77942), (1680, 38971)]