260789580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 814544640

約数和(自身を除く): 553755060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 89, 90, 146, 178, 180, 219, 223, 267, 292, 356, 365, 438, 445, 446, 534, 657, 669, 730, 801, 876, 890, 892, 1068, 1095, 1115, 1314, 1335, 1338, 1460, 1602, 1780, 2007, 2190, 2230, 2628, 2670, 2676, 3204, 3285, 3345, 4005, 4014, 4380, 4460, 5340, 6497, 6570, 6690, 8010, 8028, 10035, 12994, 13140, 13380, 16020, 16279, 19491, 19847, 20070, 25988, 32485, 32558, 38982, 39694, 40140, 48837, 58473, 59541, 64970, 65116, 77964, 79388, 81395, 97455, 97674, 99235, 116946, 119082, 129940, 146511, 162790, 178623, 194910, 195348, 198470, 233892, 238164, 244185, 292365, 293022, 297705, 325580, 357246, 389820, 396940, 488370, 584730, 586044, 595410, 714492, 732555, 893115, 976740, 1169460, 1190820, 1448831, 1465110, 1786230, 2897662, 2930220, 3572460, 4346493, 5795324, 7244155, 8692986, 13039479, 14488310, 17385972, 21732465, 26078958, 28976620, 43464930, 52157916, 65197395, 86929860, 130394790, 260789580]

約数ペア:

[(1, 260789580), (2, 130394790), (3, 86929860), (4, 65197395), (5, 52157916), (6, 43464930), (9, 28976620), (10, 26078958), (12, 21732465), (15, 17385972), (18, 14488310), (20, 13039479), (30, 8692986), (36, 7244155), (45, 5795324), (60, 4346493), (73, 3572460), (89, 2930220), (90, 2897662), (146, 1786230), (178, 1465110), (180, 1448831), (219, 1190820), (223, 1169460), (267, 976740), (292, 893115), (356, 732555), (365, 714492), (438, 595410), (445, 586044), (446, 584730), (534, 488370), (657, 396940), (669, 389820), (730, 357246), (801, 325580), (876, 297705), (890, 293022), (892, 292365), (1068, 244185), (1095, 238164), (1115, 233892), (1314, 198470), (1335, 195348), (1338, 194910), (1460, 178623), (1602, 162790), (1780, 146511), (2007, 129940), (2190, 119082), (2230, 116946), (2628, 99235), (2670, 97674), (2676, 97455), (3204, 81395), (3285, 79388), (3345, 77964), (4005, 65116), (4014, 64970), (4380, 59541), (4460, 58473), (5340, 48837), (6497, 40140), (6570, 39694), (6690, 38982), (8010, 32558), (8028, 32485), (10035, 25988), (12994, 20070), (13140, 19847), (13380, 19491), (16020, 16279)]