81623880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 290122560

約数和(自身を除く): 208498680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 107, 117, 120, 130, 156, 163, 180, 195, 214, 234, 260, 312, 321, 326, 360, 390, 428, 468, 489, 520, 535, 585, 642, 652, 780, 815, 856, 936, 963, 978, 1070, 1170, 1284, 1304, 1391, 1467, 1560, 1605, 1630, 1926, 1956, 2119, 2140, 2340, 2445, 2568, 2782, 2934, 3210, 3260, 3852, 3912, 4173, 4238, 4280, 4680, 4815, 4890, 5564, 5868, 6357, 6420, 6520, 6955, 7335, 7704, 8346, 8476, 9630, 9780, 10595, 11128, 11736, 12519, 12714, 12840, 13910, 14670, 16692, 16952, 17441, 19071, 19260, 19560, 20865, 21190, 25038, 25428, 27820, 29340, 31785, 33384, 34882, 38142, 38520, 41730, 42380, 50076, 50856, 52323, 55640, 58680, 62595, 63570, 69764, 76284, 83460, 84760, 87205, 95355, 100152, 104646, 125190, 127140, 139528, 152568, 156969, 166920, 174410, 190710, 209292, 226733, 250380, 254280, 261615, 313938, 348820, 381420, 418584, 453466, 500760, 523230, 627876, 680199, 697640, 762840, 784845, 906932, 1046460, 1133665, 1255752, 1360398, 1569690, 1813864, 2040597, 2092920, 2267330, 2720796, 3139380, 3400995, 4081194, 4534660, 5441592, 6278760, 6801990, 8162388, 9069320, 10202985, 13603980, 16324776, 20405970, 27207960, 40811940, 81623880]

約数ペア:

[(1, 81623880), (2, 40811940), (3, 27207960), (4, 20405970), (5, 16324776), (6, 13603980), (8, 10202985), (9, 9069320), (10, 8162388), (12, 6801990), (13, 6278760), (15, 5441592), (18, 4534660), (20, 4081194), (24, 3400995), (26, 3139380), (30, 2720796), (36, 2267330), (39, 2092920), (40, 2040597), (45, 1813864), (52, 1569690), (60, 1360398), (65, 1255752), (72, 1133665), (78, 1046460), (90, 906932), (104, 784845), (107, 762840), (117, 697640), (120, 680199), (130, 627876), (156, 523230), (163, 500760), (180, 453466), (195, 418584), (214, 381420), (234, 348820), (260, 313938), (312, 261615), (321, 254280), (326, 250380), (360, 226733), (390, 209292), (428, 190710), (468, 174410), (489, 166920), (520, 156969), (535, 152568), (585, 139528), (642, 127140), (652, 125190), (780, 104646), (815, 100152), (856, 95355), (936, 87205), (963, 84760), (978, 83460), (1070, 76284), (1170, 69764), (1284, 63570), (1304, 62595), (1391, 58680), (1467, 55640), (1560, 52323), (1605, 50856), (1630, 50076), (1926, 42380), (1956, 41730), (2119, 38520), (2140, 38142), (2340, 34882), (2445, 33384), (2568, 31785), (2782, 29340), (2934, 27820), (3210, 25428), (3260, 25038), (3852, 21190), (3912, 20865), (4173, 19560), (4238, 19260), (4280, 19071), (4680, 17441), (4815, 16952), (4890, 16692), (5564, 14670), (5868, 13910), (6357, 12840), (6420, 12714), (6520, 12519), (6955, 11736), (7335, 11128), (7704, 10595), (8346, 9780), (8476, 9630)]