71631840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21319}}^1$

素因数の和:21344

約数の個数: 96

約数和(自身を含む): 257886720

約数和(自身を除く): 186254880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21319, 42638, 63957, 85276, 106595, 127914, 149233, 170552, 213190, 255828, 298466, 319785, 341104, 426380, 447699, 511656, 596932, 639570, 682208, 746165, 852760, 895398, 1023312, 1193864, 1279140, 1492330, 1705520, 1790796, 2046624, 2238495, 2387728, 2558280, 2984660, 3411040, 3581592, 4476990, 4775456, 5116560, 5969320, 7163184, 8953980, 10233120, 11938640, 14326368, 17907960, 23877280, 35815920, 71631840]

約数ペア:

[(1, 71631840), (2, 35815920), (3, 23877280), (4, 17907960), (5, 14326368), (6, 11938640), (7, 10233120), (8, 8953980), (10, 7163184), (12, 5969320), (14, 5116560), (15, 4775456), (16, 4476990), (20, 3581592), (21, 3411040), (24, 2984660), (28, 2558280), (30, 2387728), (32, 2238495), (35, 2046624), (40, 1790796), (42, 1705520), (48, 1492330), (56, 1279140), (60, 1193864), (70, 1023312), (80, 895398), (84, 852760), (96, 746165), (105, 682208), (112, 639570), (120, 596932), (140, 511656), (160, 447699), (168, 426380), (210, 341104), (224, 319785), (240, 298466), (280, 255828), (336, 213190), (420, 170552), (480, 149233), (560, 127914), (672, 106595), (840, 85276), (1120, 63957), (1680, 42638), (3360, 21319)]