66990960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 243734400

約数和(自身を除く): 176743440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 59, 60, 72, 76, 80, 83, 90, 95, 114, 118, 120, 144, 152, 166, 171, 177, 180, 190, 228, 236, 240, 249, 285, 295, 304, 332, 342, 354, 360, 380, 415, 456, 472, 498, 531, 570, 590, 664, 684, 708, 720, 747, 760, 830, 855, 885, 912, 944, 996, 1062, 1121, 1140, 1180, 1245, 1328, 1368, 1416, 1494, 1520, 1577, 1660, 1710, 1770, 1992, 2124, 2242, 2280, 2360, 2490, 2655, 2736, 2832, 2988, 3154, 3320, 3363, 3420, 3540, 3735, 3984, 4248, 4484, 4560, 4720, 4731, 4897, 4980, 5310, 5605, 5976, 6308, 6640, 6726, 6840, 7080, 7470, 7885, 8496, 8968, 9462, 9794, 9960, 10089, 10620, 11210, 11952, 12616, 13452, 13680, 14160, 14193, 14691, 14940, 15770, 16815, 17936, 18924, 19588, 19920, 20178, 21240, 22420, 23655, 24485, 25232, 26904, 28386, 29382, 29880, 31540, 33630, 37848, 39176, 40356, 42480, 44073, 44840, 47310, 48970, 50445, 53808, 56772, 58764, 59760, 63080, 67260, 70965, 73455, 75696, 78352, 80712, 88146, 89680, 93043, 94620, 97940, 100890, 113544, 117528, 126160, 134520, 141930, 146910, 161424, 176292, 186086, 189240, 195880, 201780, 220365, 227088, 235056, 269040, 279129, 283860, 293820, 352584, 372172, 378480, 391760, 403560, 440730, 465215, 558258, 567720, 587640, 705168, 744344, 807120, 837387, 881460, 930430, 1116516, 1135440, 1175280, 1395645, 1488688, 1674774, 1762920, 1860860, 2233032, 2791290, 3349548, 3525840, 3721720, 4186935, 4466064, 5582580, 6699096, 7443440, 8373870, 11165160, 13398192, 16747740, 22330320, 33495480, 66990960]

約数ペア:

[(1, 66990960), (2, 33495480), (3, 22330320), (4, 16747740), (5, 13398192), (6, 11165160), (8, 8373870), (9, 7443440), (10, 6699096), (12, 5582580), (15, 4466064), (16, 4186935), (18, 3721720), (19, 3525840), (20, 3349548), (24, 2791290), (30, 2233032), (36, 1860860), (38, 1762920), (40, 1674774), (45, 1488688), (48, 1395645), (57, 1175280), (59, 1135440), (60, 1116516), (72, 930430), (76, 881460), (80, 837387), (83, 807120), (90, 744344), (95, 705168), (114, 587640), (118, 567720), (120, 558258), (144, 465215), (152, 440730), (166, 403560), (171, 391760), (177, 378480), (180, 372172), (190, 352584), (228, 293820), (236, 283860), (240, 279129), (249, 269040), (285, 235056), (295, 227088), (304, 220365), (332, 201780), (342, 195880), (354, 189240), (360, 186086), (380, 176292), (415, 161424), (456, 146910), (472, 141930), (498, 134520), (531, 126160), (570, 117528), (590, 113544), (664, 100890), (684, 97940), (708, 94620), (720, 93043), (747, 89680), (760, 88146), (830, 80712), (855, 78352), (885, 75696), (912, 73455), (944, 70965), (996, 67260), (1062, 63080), (1121, 59760), (1140, 58764), (1180, 56772), (1245, 53808), (1328, 50445), (1368, 48970), (1416, 47310), (1494, 44840), (1520, 44073), (1577, 42480), (1660, 40356), (1710, 39176), (1770, 37848), (1992, 33630), (2124, 31540), (2242, 29880), (2280, 29382), (2360, 28386), (2490, 26904), (2655, 25232), (2736, 24485), (2832, 23655), (2988, 22420), (3154, 21240), (3320, 20178), (3363, 19920), (3420, 19588), (3540, 18924), (3735, 17936), (3984, 16815), (4248, 15770), (4484, 14940), (4560, 14691), (4720, 14193), (4731, 14160), (4897, 13680), (4980, 13452), (5310, 12616), (5605, 11952), (5976, 11210), (6308, 10620), (6640, 10089), (6726, 9960), (6840, 9794), (7080, 9462), (7470, 8968), (7885, 8496)]