2781300720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4993}}^1$

素因数の和:5231

約数の個数: 160

約数和(自身を含む): 9452323584

約数和(自身を除く): 6671022864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 211, 220, 240, 264, 330, 422, 440, 528, 633, 660, 844, 880, 1055, 1266, 1320, 1688, 2110, 2321, 2532, 2640, 3165, 3376, 4220, 4642, 4993, 5064, 6330, 6963, 8440, 9284, 9986, 10128, 11605, 12660, 13926, 14979, 16880, 18568, 19972, 23210, 24965, 25320, 27852, 29958, 34815, 37136, 39944, 46420, 49930, 50640, 54923, 55704, 59916, 69630, 74895, 79888, 92840, 99860, 109846, 111408, 119832, 139260, 149790, 164769, 185680, 199720, 219692, 239664, 274615, 278520, 299580, 329538, 399440, 439384, 549230, 557040, 599160, 659076, 823845, 878768, 1053523, 1098460, 1198320, 1318152, 1647690, 2107046, 2196920, 2636304, 3160569, 3295380, 4214092, 4393840, 5267615, 6321138, 6590760, 8428184, 10535230, 11588753, 12642276, 13181520, 15802845, 16856368, 21070460, 23177506, 25284552, 31605690, 34766259, 42140920, 46355012, 50569104, 57943765, 63211380, 69532518, 84281840, 92710024, 115887530, 126422760, 139065036, 173831295, 185420048, 231775060, 252845520, 278130072, 347662590, 463550120, 556260144, 695325180, 927100240, 1390650360, 2781300720]

約数ペア:

[(1, 2781300720), (2, 1390650360), (3, 927100240), (4, 695325180), (5, 556260144), (6, 463550120), (8, 347662590), (10, 278130072), (11, 252845520), (12, 231775060), (15, 185420048), (16, 173831295), (20, 139065036), (22, 126422760), (24, 115887530), (30, 92710024), (33, 84281840), (40, 69532518), (44, 63211380), (48, 57943765), (55, 50569104), (60, 46355012), (66, 42140920), (80, 34766259), (88, 31605690), (110, 25284552), (120, 23177506), (132, 21070460), (165, 16856368), (176, 15802845), (211, 13181520), (220, 12642276), (240, 11588753), (264, 10535230), (330, 8428184), (422, 6590760), (440, 6321138), (528, 5267615), (633, 4393840), (660, 4214092), (844, 3295380), (880, 3160569), (1055, 2636304), (1266, 2196920), (1320, 2107046), (1688, 1647690), (2110, 1318152), (2321, 1198320), (2532, 1098460), (2640, 1053523), (3165, 878768), (3376, 823845), (4220, 659076), (4642, 599160), (4993, 557040), (5064, 549230), (6330, 439384), (6963, 399440), (8440, 329538), (9284, 299580), (9986, 278520), (10128, 274615), (11605, 239664), (12660, 219692), (13926, 199720), (14979, 185680), (16880, 164769), (18568, 149790), (19972, 139260), (23210, 119832), (24965, 111408), (25320, 109846), (27852, 99860), (29958, 92840), (34815, 79888), (37136, 74895), (39944, 69630), (46420, 59916), (49930, 55704), (50640, 54923)]