205361520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9403}}^1$

素因数の和:9439

約数の個数: 160

約数和(自身を含む): 783616512

約数和(自身を除く): 578254992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 9403, 10920, 18806, 21840, 28209, 37612, 47015, 56418, 65821, 75224, 94030, 112836, 122239, 131642, 141045, 150448, 188060, 197463, 225672, 244478, 263284, 282090, 329105, 366717, 376120, 394926, 451344, 488956, 526568, 564180, 611195, 658210, 733434, 752240, 789852, 855673, 977912, 987315, 1053136, 1128360, 1222390, 1316420, 1466868, 1579704, 1711346, 1833585, 1955824, 1974630, 2256720, 2444780, 2567019, 2632840, 2933736, 3159408, 3422692, 3667170, 3949260, 4278365, 4889560, 5134038, 5265680, 5867472, 6845384, 7334340, 7898520, 8556730, 9779120, 10268076, 12835095, 13690768, 14668680, 15797040, 17113460, 20536152, 25670190, 29337360, 34226920, 41072304, 51340380, 68453840, 102680760, 205361520]

約数ペア:

[(1, 205361520), (2, 102680760), (3, 68453840), (4, 51340380), (5, 41072304), (6, 34226920), (7, 29337360), (8, 25670190), (10, 20536152), (12, 17113460), (13, 15797040), (14, 14668680), (15, 13690768), (16, 12835095), (20, 10268076), (21, 9779120), (24, 8556730), (26, 7898520), (28, 7334340), (30, 6845384), (35, 5867472), (39, 5265680), (40, 5134038), (42, 4889560), (48, 4278365), (52, 3949260), (56, 3667170), (60, 3422692), (65, 3159408), (70, 2933736), (78, 2632840), (80, 2567019), (84, 2444780), (91, 2256720), (104, 1974630), (105, 1955824), (112, 1833585), (120, 1711346), (130, 1579704), (140, 1466868), (156, 1316420), (168, 1222390), (182, 1128360), (195, 1053136), (208, 987315), (210, 977912), (240, 855673), (260, 789852), (273, 752240), (280, 733434), (312, 658210), (336, 611195), (364, 564180), (390, 526568), (420, 488956), (455, 451344), (520, 394926), (546, 376120), (560, 366717), (624, 329105), (728, 282090), (780, 263284), (840, 244478), (910, 225672), (1040, 197463), (1092, 188060), (1365, 150448), (1456, 141045), (1560, 131642), (1680, 122239), (1820, 112836), (2184, 94030), (2730, 75224), (3120, 65821), (3640, 56418), (4368, 47015), (5460, 37612), (7280, 28209), (9403, 21840), (10920, 18806)]