216955360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 567535248

約数和(自身を除く): 350579888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 83, 85, 124, 136, 155, 160, 166, 170, 248, 272, 310, 332, 340, 415, 496, 527, 544, 620, 664, 680, 830, 961, 992, 1054, 1240, 1328, 1360, 1411, 1660, 1922, 2108, 2480, 2573, 2635, 2656, 2720, 2822, 3320, 3844, 4216, 4805, 4960, 5146, 5270, 5644, 6640, 7055, 7688, 8432, 9610, 10292, 10540, 11288, 12865, 13280, 14110, 15376, 16337, 16864, 19220, 20584, 21080, 22576, 25730, 28220, 30752, 32674, 38440, 41168, 42160, 43741, 45152, 51460, 56440, 65348, 76880, 79763, 81685, 82336, 84320, 87482, 102920, 112880, 130696, 153760, 159526, 163370, 174964, 205840, 218705, 225760, 261392, 319052, 326740, 349928, 398815, 411680, 437410, 522784, 638104, 653480, 699856, 797630, 874820, 1276208, 1306960, 1355971, 1399712, 1595260, 1749640, 2552416, 2613920, 2711942, 3190520, 3499280, 5423884, 6381040, 6779855, 6998560, 10847768, 12762080, 13559710, 21695536, 27119420, 43391072, 54238840, 108477680, 216955360]

約数ペア:

[(1, 216955360), (2, 108477680), (4, 54238840), (5, 43391072), (8, 27119420), (10, 21695536), (16, 13559710), (17, 12762080), (20, 10847768), (31, 6998560), (32, 6779855), (34, 6381040), (40, 5423884), (62, 3499280), (68, 3190520), (80, 2711942), (83, 2613920), (85, 2552416), (124, 1749640), (136, 1595260), (155, 1399712), (160, 1355971), (166, 1306960), (170, 1276208), (248, 874820), (272, 797630), (310, 699856), (332, 653480), (340, 638104), (415, 522784), (496, 437410), (527, 411680), (544, 398815), (620, 349928), (664, 326740), (680, 319052), (830, 261392), (961, 225760), (992, 218705), (1054, 205840), (1240, 174964), (1328, 163370), (1360, 159526), (1411, 153760), (1660, 130696), (1922, 112880), (2108, 102920), (2480, 87482), (2573, 84320), (2635, 82336), (2656, 81685), (2720, 79763), (2822, 76880), (3320, 65348), (3844, 56440), (4216, 51460), (4805, 45152), (4960, 43741), (5146, 42160), (5270, 41168), (5644, 38440), (6640, 32674), (7055, 30752), (7688, 28220), (8432, 25730), (9610, 22576), (10292, 21080), (10540, 20584), (11288, 19220), (12865, 16864), (13280, 16337), (14110, 15376)]