71304240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42443}}^1$

素因数の和:42466

約数の個数: 80

約数和(自身を含む): 252626688

約数和(自身を除く): 181322448

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, 42443, 84886, 127329, 169772, 212215, 254658, 297101, 339544, 424430, 509316, 594202, 636645, 679088, 848860, 891303, 1018632, 1188404, 1273290, 1485505, 1697720, 1782606, 2037264, 2376808, 2546580, 2971010, 3395440, 3565212, 4456515, 4753616, 5093160, 5942020, 7130424, 8913030, 10186320, 11884040, 14260848, 17826060, 23768080, 35652120, 71304240]

約数ペア:

[(1, 71304240), (2, 35652120), (3, 23768080), (4, 17826060), (5, 14260848), (6, 11884040), (7, 10186320), (8, 8913030), (10, 7130424), (12, 5942020), (14, 5093160), (15, 4753616), (16, 4456515), (20, 3565212), (21, 3395440), (24, 2971010), (28, 2546580), (30, 2376808), (35, 2037264), (40, 1782606), (42, 1697720), (48, 1485505), (56, 1273290), (60, 1188404), (70, 1018632), (80, 891303), (84, 848860), (105, 679088), (112, 636645), (120, 594202), (140, 509316), (168, 424430), (210, 339544), (240, 297101), (280, 254658), (336, 212215), (420, 169772), (560, 127329), (840, 84886), (1680, 42443)]