18440991960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1\times {\mathrm{2063}}^1$

素因数の和:2697

約数の個数: 128

約数和(自身を含む): 55811220480

約数和(自身を除く): 37370228520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 457, 489, 652, 815, 914, 978, 1304, 1371, 1630, 1828, 1956, 2063, 2285, 2445, 2742, 3260, 3656, 3912, 4126, 4570, 4890, 5484, 6189, 6520, 6855, 8252, 9140, 9780, 10315, 10968, 12378, 13710, 16504, 18280, 19560, 20630, 24756, 27420, 30945, 41260, 49512, 54840, 61890, 74491, 82520, 123780, 148982, 223473, 247560, 297964, 336269, 372455, 446946, 595928, 672538, 744910, 893892, 942791, 1008807, 1117365, 1345076, 1489820, 1681345, 1787784, 1885582, 2017614, 2234730, 2690152, 2828373, 2979640, 3362690, 3771164, 4035228, 4469460, 4713955, 5044035, 5656746, 6725380, 7542328, 8070456, 8938920, 9427910, 10088070, 11313492, 13450760, 14141865, 18855820, 20176140, 22626984, 28283730, 37711640, 40352280, 56567460, 113134920, 153674933, 307349866, 461024799, 614699732, 768374665, 922049598, 1229399464, 1536749330, 1844099196, 2305123995, 3073498660, 3688198392, 4610247990, 6146997320, 9220495980, 18440991960]

約数ペア:

[(1, 18440991960), (2, 9220495980), (3, 6146997320), (4, 4610247990), (5, 3688198392), (6, 3073498660), (8, 2305123995), (10, 1844099196), (12, 1536749330), (15, 1229399464), (20, 922049598), (24, 768374665), (30, 614699732), (40, 461024799), (60, 307349866), (120, 153674933), (163, 113134920), (326, 56567460), (457, 40352280), (489, 37711640), (652, 28283730), (815, 22626984), (914, 20176140), (978, 18855820), (1304, 14141865), (1371, 13450760), (1630, 11313492), (1828, 10088070), (1956, 9427910), (2063, 8938920), (2285, 8070456), (2445, 7542328), (2742, 6725380), (3260, 5656746), (3656, 5044035), (3912, 4713955), (4126, 4469460), (4570, 4035228), (4890, 3771164), (5484, 3362690), (6189, 2979640), (6520, 2828373), (6855, 2690152), (8252, 2234730), (9140, 2017614), (9780, 1885582), (10315, 1787784), (10968, 1681345), (12378, 1489820), (13710, 1345076), (16504, 1117365), (18280, 1008807), (19560, 942791), (20630, 893892), (24756, 744910), (27420, 672538), (30945, 595928), (41260, 446946), (49512, 372455), (54840, 336269), (61890, 297964), (74491, 247560), (82520, 223473), (123780, 148982)]