19601520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 65567232

約数和(自身を除く): 45965712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 53, 60, 67, 69, 80, 92, 106, 115, 120, 134, 138, 159, 184, 201, 212, 230, 240, 265, 268, 276, 318, 335, 345, 368, 402, 424, 460, 530, 536, 552, 636, 670, 690, 795, 804, 848, 920, 1005, 1060, 1072, 1104, 1219, 1272, 1340, 1380, 1541, 1590, 1608, 1840, 2010, 2120, 2438, 2544, 2680, 2760, 3082, 3180, 3216, 3551, 3657, 4020, 4240, 4623, 4876, 5360, 5520, 6095, 6164, 6360, 7102, 7314, 7705, 8040, 9246, 9752, 10653, 12190, 12328, 12720, 14204, 14628, 15410, 16080, 17755, 18285, 18492, 19504, 21306, 23115, 24380, 24656, 28408, 29256, 30820, 35510, 36570, 36984, 42612, 46230, 48760, 53265, 56816, 58512, 61640, 71020, 73140, 73968, 81673, 85224, 92460, 97520, 106530, 123280, 142040, 146280, 163346, 170448, 184920, 213060, 245019, 284080, 292560, 326692, 369840, 408365, 426120, 490038, 653384, 816730, 852240, 980076, 1225095, 1306768, 1633460, 1960152, 2450190, 3266920, 3920304, 4900380, 6533840, 9800760, 19601520]

約数ペア:

[(1, 19601520), (2, 9800760), (3, 6533840), (4, 4900380), (5, 3920304), (6, 3266920), (8, 2450190), (10, 1960152), (12, 1633460), (15, 1306768), (16, 1225095), (20, 980076), (23, 852240), (24, 816730), (30, 653384), (40, 490038), (46, 426120), (48, 408365), (53, 369840), (60, 326692), (67, 292560), (69, 284080), (80, 245019), (92, 213060), (106, 184920), (115, 170448), (120, 163346), (134, 146280), (138, 142040), (159, 123280), (184, 106530), (201, 97520), (212, 92460), (230, 85224), (240, 81673), (265, 73968), (268, 73140), (276, 71020), (318, 61640), (335, 58512), (345, 56816), (368, 53265), (402, 48760), (424, 46230), (460, 42612), (530, 36984), (536, 36570), (552, 35510), (636, 30820), (670, 29256), (690, 28408), (795, 24656), (804, 24380), (848, 23115), (920, 21306), (1005, 19504), (1060, 18492), (1072, 18285), (1104, 17755), (1219, 16080), (1272, 15410), (1340, 14628), (1380, 14204), (1541, 12720), (1590, 12328), (1608, 12190), (1840, 10653), (2010, 9752), (2120, 9246), (2438, 8040), (2544, 7705), (2680, 7314), (2760, 7102), (3082, 6360), (3180, 6164), (3216, 6095), (3551, 5520), (3657, 5360), (4020, 4876), (4240, 4623)]