21515617320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{15271}}^1$

素因数の和:15543

約数の個数: 128

約数和(自身を含む): 65975040000

約数和(自身を除く): 44459422680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 199, 236, 295, 354, 398, 472, 590, 597, 708, 796, 885, 995, 1180, 1194, 1416, 1592, 1770, 1990, 2360, 2388, 2985, 3540, 3980, 4776, 5970, 7080, 7960, 11741, 11940, 15271, 23482, 23880, 30542, 35223, 45813, 46964, 58705, 61084, 70446, 76355, 91626, 93928, 117410, 122168, 140892, 152710, 176115, 183252, 229065, 234820, 281784, 305420, 352230, 366504, 458130, 469640, 610840, 704460, 900989, 916260, 1408920, 1801978, 1832520, 2702967, 3038929, 3603956, 4504945, 5405934, 6077858, 7207912, 9009890, 9116787, 10811868, 12155716, 13514835, 15194645, 18019780, 18233574, 21623736, 24311432, 27029670, 30389290, 36039560, 36467148, 45583935, 54059340, 60778580, 72934296, 91167870, 108118680, 121557160, 179296811, 182335740, 358593622, 364671480, 537890433, 717187244, 896484055, 1075780866, 1434374488, 1792968110, 2151561732, 2689452165, 3585936220, 4303123464, 5378904330, 7171872440, 10757808660, 21515617320]

約数ペア:

[(1, 21515617320), (2, 10757808660), (3, 7171872440), (4, 5378904330), (5, 4303123464), (6, 3585936220), (8, 2689452165), (10, 2151561732), (12, 1792968110), (15, 1434374488), (20, 1075780866), (24, 896484055), (30, 717187244), (40, 537890433), (59, 364671480), (60, 358593622), (118, 182335740), (120, 179296811), (177, 121557160), (199, 108118680), (236, 91167870), (295, 72934296), (354, 60778580), (398, 54059340), (472, 45583935), (590, 36467148), (597, 36039560), (708, 30389290), (796, 27029670), (885, 24311432), (995, 21623736), (1180, 18233574), (1194, 18019780), (1416, 15194645), (1592, 13514835), (1770, 12155716), (1990, 10811868), (2360, 9116787), (2388, 9009890), (2985, 7207912), (3540, 6077858), (3980, 5405934), (4776, 4504945), (5970, 3603956), (7080, 3038929), (7960, 2702967), (11741, 1832520), (11940, 1801978), (15271, 1408920), (23482, 916260), (23880, 900989), (30542, 704460), (35223, 610840), (45813, 469640), (46964, 458130), (58705, 366504), (61084, 352230), (70446, 305420), (76355, 281784), (91626, 234820), (93928, 229065), (117410, 183252), (122168, 176115), (140892, 152710)]