20217468480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{4153}}^1$

素因数の和:4645

約数の個数: 224

約数和(自身を含む): 70194757248

約数和(自身を除く): 49977288768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 461, 480, 528, 660, 704, 880, 922, 960, 1056, 1320, 1383, 1760, 1844, 2112, 2305, 2640, 2766, 3520, 3688, 4153, 4610, 5071, 5280, 5532, 6915, 7376, 8306, 9220, 10142, 10560, 11064, 12459, 13830, 14752, 15213, 16612, 18440, 20284, 20765, 22128, 24918, 25355, 27660, 29504, 30426, 33224, 36880, 40568, 41530, 44256, 45683, 49836, 50710, 55320, 60852, 62295, 66448, 73760, 76065, 81136, 83060, 88512, 91366, 99672, 101420, 110640, 121704, 124590, 132896, 137049, 147520, 152130, 162272, 166120, 182732, 199344, 202840, 221280, 228415, 243408, 249180, 265792, 274098, 304260, 324544, 332240, 365464, 398688, 405680, 442560, 456830, 486816, 498360, 548196, 608520, 664480, 685245, 730928, 797376, 811360, 913660, 973632, 996720, 1096392, 1217040, 1328960, 1370490, 1461856, 1622720, 1827320, 1914533, 1993440, 2192784, 2434080, 2740980, 2923712, 3654640, 3829066, 3986880, 4385568, 4868160, 5481960, 5743599, 7309280, 7658132, 8771136, 9572665, 10963920, 11487198, 14618560, 15316264, 19145330, 21059863, 21927840, 22974396, 28717995, 30632528, 38290660, 42119726, 43855680, 45948792, 57435990, 61265056, 63179589, 76581320, 84239452, 91897584, 105299315, 114871980, 122530112, 126359178, 153162640, 168478904, 183795168, 210598630, 229743960, 252718356, 306325280, 315897945, 336957808, 367590336, 421197260, 459487920, 505436712, 612650560, 631795890, 673915616, 842394520, 918975840, 1010873424, 1263591780, 1347831232, 1684789040, 1837951680, 2021746848, 2527183560, 3369578080, 4043493696, 5054367120, 6739156160, 10108734240, 20217468480]

約数ペア:

[(1, 20217468480), (2, 10108734240), (3, 6739156160), (4, 5054367120), (5, 4043493696), (6, 3369578080), (8, 2527183560), (10, 2021746848), (11, 1837951680), (12, 1684789040), (15, 1347831232), (16, 1263591780), (20, 1010873424), (22, 918975840), (24, 842394520), (30, 673915616), (32, 631795890), (33, 612650560), (40, 505436712), (44, 459487920), (48, 421197260), (55, 367590336), (60, 336957808), (64, 315897945), (66, 306325280), (80, 252718356), (88, 229743960), (96, 210598630), (110, 183795168), (120, 168478904), (132, 153162640), (160, 126359178), (165, 122530112), (176, 114871980), (192, 105299315), (220, 91897584), (240, 84239452), (264, 76581320), (320, 63179589), (330, 61265056), (352, 57435990), (440, 45948792), (461, 43855680), (480, 42119726), (528, 38290660), (660, 30632528), (704, 28717995), (880, 22974396), (922, 21927840), (960, 21059863), (1056, 19145330), (1320, 15316264), (1383, 14618560), (1760, 11487198), (1844, 10963920), (2112, 9572665), (2305, 8771136), (2640, 7658132), (2766, 7309280), (3520, 5743599), (3688, 5481960), (4153, 4868160), (4610, 4385568), (5071, 3986880), (5280, 3829066), (5532, 3654640), (6915, 2923712), (7376, 2740980), (8306, 2434080), (9220, 2192784), (10142, 1993440), (10560, 1914533), (11064, 1827320), (12459, 1622720), (13830, 1461856), (14752, 1370490), (15213, 1328960), (16612, 1217040), (18440, 1096392), (20284, 996720), (20765, 973632), (22128, 913660), (24918, 811360), (25355, 797376), (27660, 730928), (29504, 685245), (30426, 664480), (33224, 608520), (36880, 548196), (40568, 498360), (41530, 486816), (44256, 456830), (45683, 442560), (49836, 405680), (50710, 398688), (55320, 365464), (60852, 332240), (62295, 324544), (66448, 304260), (73760, 274098), (76065, 265792), (81136, 249180), (83060, 243408), (88512, 228415), (91366, 221280), (99672, 202840), (101420, 199344), (110640, 182732), (121704, 166120), (124590, 162272), (132896, 152130), (137049, 147520)]