128947680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 192

約数和(自身を含む): 475372800

約数和(自身を除く): 346425120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1571, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3142, 3420, 4104, 4320, 4560, 4713, 5130, 5472, 6284, 6840, 7855, 8208, 9120, 9426, 10260, 12568, 13680, 14139, 15710, 16416, 18852, 20520, 23565, 25136, 27360, 28278, 29849, 31420, 37704, 41040, 42417, 47130, 50272, 56556, 59698, 62840, 70695, 75408, 82080, 84834, 89547, 94260, 113112, 119396, 125680, 141390, 149245, 150816, 169668, 179094, 188520, 212085, 226224, 238792, 251360, 268641, 282780, 298490, 339336, 358188, 377040, 424170, 447735, 452448, 477584, 537282, 565560, 596980, 678672, 716376, 754080, 805923, 848340, 895470, 955168, 1074564, 1131120, 1193960, 1343205, 1357344, 1432752, 1611846, 1696680, 1790940, 2149128, 2262240, 2387920, 2686410, 2865504, 3223692, 3393360, 3581880, 4029615, 4298256, 4775840, 5372820, 6447384, 6786720, 7163760, 8059230, 8596512, 10745640, 12894768, 14327520, 16118460, 21491280, 25789536, 32236920, 42982560, 64473840, 128947680]

約数ペア:

[(1, 128947680), (2, 64473840), (3, 42982560), (4, 32236920), (5, 25789536), (6, 21491280), (8, 16118460), (9, 14327520), (10, 12894768), (12, 10745640), (15, 8596512), (16, 8059230), (18, 7163760), (19, 6786720), (20, 6447384), (24, 5372820), (27, 4775840), (30, 4298256), (32, 4029615), (36, 3581880), (38, 3393360), (40, 3223692), (45, 2865504), (48, 2686410), (54, 2387920), (57, 2262240), (60, 2149128), (72, 1790940), (76, 1696680), (80, 1611846), (90, 1432752), (95, 1357344), (96, 1343205), (108, 1193960), (114, 1131120), (120, 1074564), (135, 955168), (144, 895470), (152, 848340), (160, 805923), (171, 754080), (180, 716376), (190, 678672), (216, 596980), (228, 565560), (240, 537282), (270, 477584), (285, 452448), (288, 447735), (304, 424170), (342, 377040), (360, 358188), (380, 339336), (432, 298490), (456, 282780), (480, 268641), (513, 251360), (540, 238792), (570, 226224), (608, 212085), (684, 188520), (720, 179094), (760, 169668), (855, 150816), (864, 149245), (912, 141390), (1026, 125680), (1080, 119396), (1140, 113112), (1368, 94260), (1440, 89547), (1520, 84834), (1571, 82080), (1710, 75408), (1824, 70695), (2052, 62840), (2160, 59698), (2280, 56556), (2565, 50272), (2736, 47130), (3040, 42417), (3142, 41040), (3420, 37704), (4104, 31420), (4320, 29849), (4560, 28278), (4713, 27360), (5130, 25136), (5472, 23565), (6284, 20520), (6840, 18852), (7855, 16416), (8208, 15710), (9120, 14139), (9426, 13680), (10260, 12568)]