64257840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 160

約数和(自身を含む): 224985600

約数和(自身を除く): 160727760

約数列:

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

約数ペア:

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