279238140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 872726400

約数和(自身を除く): 593488260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 79, 90, 146, 158, 180, 219, 237, 269, 292, 316, 365, 395, 438, 474, 538, 657, 711, 730, 790, 807, 876, 948, 1076, 1095, 1185, 1314, 1345, 1422, 1460, 1580, 1614, 2190, 2370, 2421, 2628, 2690, 2844, 3228, 3285, 3555, 4035, 4380, 4740, 4842, 5380, 5767, 6570, 7110, 8070, 9684, 11534, 12105, 13140, 14220, 16140, 17301, 19637, 21251, 23068, 24210, 28835, 34602, 39274, 42502, 48420, 51903, 57670, 58911, 63753, 69204, 78548, 85004, 86505, 98185, 103806, 106255, 115340, 117822, 127506, 173010, 176733, 191259, 196370, 207612, 212510, 235644, 255012, 259515, 294555, 318765, 346020, 353466, 382518, 392740, 425020, 519030, 589110, 637530, 706932, 765036, 883665, 956295, 1038060, 1178220, 1275060, 1551323, 1767330, 1912590, 3102646, 3534660, 3825180, 4653969, 6205292, 7756615, 9307938, 13961907, 15513230, 18615876, 23269845, 27923814, 31026460, 46539690, 55847628, 69809535, 93079380, 139619070, 279238140]

約数ペア:

[(1, 279238140), (2, 139619070), (3, 93079380), (4, 69809535), (5, 55847628), (6, 46539690), (9, 31026460), (10, 27923814), (12, 23269845), (15, 18615876), (18, 15513230), (20, 13961907), (30, 9307938), (36, 7756615), (45, 6205292), (60, 4653969), (73, 3825180), (79, 3534660), (90, 3102646), (146, 1912590), (158, 1767330), (180, 1551323), (219, 1275060), (237, 1178220), (269, 1038060), (292, 956295), (316, 883665), (365, 765036), (395, 706932), (438, 637530), (474, 589110), (538, 519030), (657, 425020), (711, 392740), (730, 382518), (790, 353466), (807, 346020), (876, 318765), (948, 294555), (1076, 259515), (1095, 255012), (1185, 235644), (1314, 212510), (1345, 207612), (1422, 196370), (1460, 191259), (1580, 176733), (1614, 173010), (2190, 127506), (2370, 117822), (2421, 115340), (2628, 106255), (2690, 103806), (2844, 98185), (3228, 86505), (3285, 85004), (3555, 78548), (4035, 69204), (4380, 63753), (4740, 58911), (4842, 57670), (5380, 51903), (5767, 48420), (6570, 42502), (7110, 39274), (8070, 34602), (9684, 28835), (11534, 24210), (12105, 23068), (13140, 21251), (14220, 19637), (16140, 17301)]