28118220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 88542720

約数和(自身を除く): 60424500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 59, 60, 65, 78, 94, 118, 130, 141, 156, 169, 177, 188, 195, 235, 236, 260, 282, 295, 338, 354, 390, 470, 507, 564, 590, 611, 676, 705, 708, 767, 780, 845, 885, 940, 1014, 1180, 1222, 1410, 1534, 1690, 1770, 1833, 2028, 2301, 2444, 2535, 2773, 2820, 3055, 3068, 3380, 3540, 3666, 3835, 4602, 5070, 5546, 6110, 7332, 7670, 7943, 8319, 9165, 9204, 9971, 10140, 11092, 11505, 12220, 13865, 15340, 15886, 16638, 18330, 19942, 23010, 23829, 27730, 29913, 31772, 33276, 36049, 36660, 39715, 39884, 41595, 46020, 47658, 49855, 55460, 59826, 72098, 79430, 83190, 95316, 99710, 108147, 119145, 119652, 144196, 149565, 158860, 166380, 180245, 199420, 216294, 238290, 299130, 360490, 432588, 468637, 476580, 540735, 598260, 720980, 937274, 1081470, 1405911, 1874548, 2162940, 2343185, 2811822, 4686370, 5623644, 7029555, 9372740, 14059110, 28118220]

約数ペア:

[(1, 28118220), (2, 14059110), (3, 9372740), (4, 7029555), (5, 5623644), (6, 4686370), (10, 2811822), (12, 2343185), (13, 2162940), (15, 1874548), (20, 1405911), (26, 1081470), (30, 937274), (39, 720980), (47, 598260), (52, 540735), (59, 476580), (60, 468637), (65, 432588), (78, 360490), (94, 299130), (118, 238290), (130, 216294), (141, 199420), (156, 180245), (169, 166380), (177, 158860), (188, 149565), (195, 144196), (235, 119652), (236, 119145), (260, 108147), (282, 99710), (295, 95316), (338, 83190), (354, 79430), (390, 72098), (470, 59826), (507, 55460), (564, 49855), (590, 47658), (611, 46020), (676, 41595), (705, 39884), (708, 39715), (767, 36660), (780, 36049), (845, 33276), (885, 31772), (940, 29913), (1014, 27730), (1180, 23829), (1222, 23010), (1410, 19942), (1534, 18330), (1690, 16638), (1770, 15886), (1833, 15340), (2028, 13865), (2301, 12220), (2444, 11505), (2535, 11092), (2773, 10140), (2820, 9971), (3055, 9204), (3068, 9165), (3380, 8319), (3540, 7943), (3666, 7670), (3835, 7332), (4602, 6110), (5070, 5546)]