128515680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 192

約数和(自身を含む): 457228800

約数和(自身を除く): 328713120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 419, 426, 432, 480, 540, 568, 639, 710, 720, 838, 852, 864, 1065, 1080, 1136, 1257, 1278, 1420, 1440, 1676, 1704, 1917, 2095, 2130, 2160, 2272, 2514, 2556, 2840, 3195, 3352, 3408, 3771, 3834, 4190, 4260, 4320, 5028, 5112, 5680, 6285, 6390, 6704, 6816, 7542, 7668, 8380, 8520, 9585, 10056, 10224, 11313, 11360, 12570, 12780, 13408, 15084, 15336, 16760, 17040, 18855, 19170, 20112, 20448, 22626, 25140, 25560, 29749, 30168, 30672, 33520, 34080, 37710, 38340, 40224, 45252, 50280, 51120, 56565, 59498, 60336, 61344, 67040, 75420, 76680, 89247, 90504, 100560, 102240, 113130, 118996, 120672, 148745, 150840, 153360, 178494, 181008, 201120, 226260, 237992, 267741, 297490, 301680, 306720, 356988, 362016, 446235, 452520, 475984, 535482, 594980, 603360, 713976, 803223, 892470, 905040, 951968, 1070964, 1189960, 1338705, 1427952, 1606446, 1784940, 1810080, 2141928, 2379920, 2677410, 2855904, 3212892, 3569880, 4016115, 4283856, 4759840, 5354820, 6425784, 7139760, 8032230, 8567712, 10709640, 12851568, 14279520, 16064460, 21419280, 25703136, 32128920, 42838560, 64257840, 128515680]

約数ペア:

[(1, 128515680), (2, 64257840), (3, 42838560), (4, 32128920), (5, 25703136), (6, 21419280), (8, 16064460), (9, 14279520), (10, 12851568), (12, 10709640), (15, 8567712), (16, 8032230), (18, 7139760), (20, 6425784), (24, 5354820), (27, 4759840), (30, 4283856), (32, 4016115), (36, 3569880), (40, 3212892), (45, 2855904), (48, 2677410), (54, 2379920), (60, 2141928), (71, 1810080), (72, 1784940), (80, 1606446), (90, 1427952), (96, 1338705), (108, 1189960), (120, 1070964), (135, 951968), (142, 905040), (144, 892470), (160, 803223), (180, 713976), (213, 603360), (216, 594980), (240, 535482), (270, 475984), (284, 452520), (288, 446235), (355, 362016), (360, 356988), (419, 306720), (426, 301680), (432, 297490), (480, 267741), (540, 237992), (568, 226260), (639, 201120), (710, 181008), (720, 178494), (838, 153360), (852, 150840), (864, 148745), (1065, 120672), (1080, 118996), (1136, 113130), (1257, 102240), (1278, 100560), (1420, 90504), (1440, 89247), (1676, 76680), (1704, 75420), (1917, 67040), (2095, 61344), (2130, 60336), (2160, 59498), (2272, 56565), (2514, 51120), (2556, 50280), (2840, 45252), (3195, 40224), (3352, 38340), (3408, 37710), (3771, 34080), (3834, 33520), (4190, 30672), (4260, 30168), (4320, 29749), (5028, 25560), (5112, 25140), (5680, 22626), (6285, 20448), (6390, 20112), (6704, 19170), (6816, 18855), (7542, 17040), (7668, 16760), (8380, 15336), (8520, 15084), (9585, 13408), (10056, 12780), (10224, 12570), (11313, 11360)]