66647560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 115829240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 115, 131, 140, 158, 161, 184, 230, 262, 280, 316, 322, 395, 460, 524, 553, 632, 644, 655, 790, 805, 917, 920, 1048, 1106, 1288, 1310, 1580, 1610, 1817, 1834, 2212, 2620, 2765, 3013, 3160, 3220, 3634, 3668, 4424, 4585, 5240, 5530, 6026, 6440, 7268, 7336, 9085, 9170, 10349, 11060, 12052, 12719, 14536, 15065, 18170, 18340, 20698, 21091, 22120, 24104, 25438, 30130, 36340, 36680, 41396, 42182, 50876, 51745, 60260, 63595, 72443, 72680, 82792, 84364, 101752, 103490, 105455, 120520, 127190, 144886, 168728, 206980, 210910, 238027, 254380, 289772, 362215, 413960, 421820, 476054, 508760, 579544, 724430, 843640, 952108, 1190135, 1448860, 1666189, 1904216, 2380270, 2897720, 3332378, 4760540, 6664756, 8330945, 9521080, 13329512, 16661890, 33323780, 66647560]

約数ペア:

[(1, 66647560), (2, 33323780), (4, 16661890), (5, 13329512), (7, 9521080), (8, 8330945), (10, 6664756), (14, 4760540), (20, 3332378), (23, 2897720), (28, 2380270), (35, 1904216), (40, 1666189), (46, 1448860), (56, 1190135), (70, 952108), (79, 843640), (92, 724430), (115, 579544), (131, 508760), (140, 476054), (158, 421820), (161, 413960), (184, 362215), (230, 289772), (262, 254380), (280, 238027), (316, 210910), (322, 206980), (395, 168728), (460, 144886), (524, 127190), (553, 120520), (632, 105455), (644, 103490), (655, 101752), (790, 84364), (805, 82792), (917, 72680), (920, 72443), (1048, 63595), (1106, 60260), (1288, 51745), (1310, 50876), (1580, 42182), (1610, 41396), (1817, 36680), (1834, 36340), (2212, 30130), (2620, 25438), (2765, 24104), (3013, 22120), (3160, 21091), (3220, 20698), (3634, 18340), (3668, 18170), (4424, 15065), (4585, 14536), (5240, 12719), (5530, 12052), (6026, 11060), (6440, 10349), (7268, 9170), (7336, 9085)]