80282790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 252484128

約数和(自身を除く): 172201338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 353, 361, 399, 570, 630, 665, 706, 722, 798, 855, 1059, 1083, 1197, 1330, 1710, 1765, 1805, 1995, 2118, 2166, 2394, 2471, 2527, 3177, 3249, 3530, 3610, 3990, 4942, 5054, 5295, 5415, 5985, 6354, 6498, 6707, 7413, 7581, 10590, 10830, 11970, 12355, 12635, 13414, 14826, 15162, 15885, 16245, 20121, 22239, 22743, 24710, 25270, 31770, 32490, 33535, 37065, 37905, 40242, 44478, 45486, 46949, 60363, 67070, 74130, 75810, 93898, 100605, 111195, 113715, 120726, 127433, 140847, 201210, 222390, 227430, 234745, 254866, 281694, 301815, 382299, 422541, 469490, 603630, 637165, 704235, 764598, 845082, 892031, 1146897, 1274330, 1408470, 1784062, 1911495, 2112705, 2293794, 2676093, 3822990, 4225410, 4460155, 5352186, 5734485, 8028279, 8920310, 11468970, 13380465, 16056558, 26760930, 40141395, 80282790]

約数ペア:

[(1, 80282790), (2, 40141395), (3, 26760930), (5, 16056558), (6, 13380465), (7, 11468970), (9, 8920310), (10, 8028279), (14, 5734485), (15, 5352186), (18, 4460155), (19, 4225410), (21, 3822990), (30, 2676093), (35, 2293794), (38, 2112705), (42, 1911495), (45, 1784062), (57, 1408470), (63, 1274330), (70, 1146897), (90, 892031), (95, 845082), (105, 764598), (114, 704235), (126, 637165), (133, 603630), (171, 469490), (190, 422541), (210, 382299), (266, 301815), (285, 281694), (315, 254866), (342, 234745), (353, 227430), (361, 222390), (399, 201210), (570, 140847), (630, 127433), (665, 120726), (706, 113715), (722, 111195), (798, 100605), (855, 93898), (1059, 75810), (1083, 74130), (1197, 67070), (1330, 60363), (1710, 46949), (1765, 45486), (1805, 44478), (1995, 40242), (2118, 37905), (2166, 37065), (2394, 33535), (2471, 32490), (2527, 31770), (3177, 25270), (3249, 24710), (3530, 22743), (3610, 22239), (3990, 20121), (4942, 16245), (5054, 15885), (5295, 15162), (5415, 14826), (5985, 13414), (6354, 12635), (6498, 12355), (6707, 11970), (7413, 10830), (7581, 10590)]