266014720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 104

約数和(自身を含む): 660522240

約数和(自身を除く): 394507520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 419, 496, 512, 620, 640, 838, 992, 1024, 1240, 1280, 1676, 1984, 2048, 2095, 2480, 2560, 3352, 3968, 4096, 4190, 4960, 5120, 6704, 7936, 8380, 9920, 10240, 12989, 13408, 15872, 16760, 19840, 20480, 25978, 26816, 31744, 33520, 39680, 51956, 53632, 63488, 64945, 67040, 79360, 103912, 107264, 126976, 129890, 134080, 158720, 207824, 214528, 259780, 268160, 317440, 415648, 429056, 519560, 536320, 634880, 831296, 858112, 1039120, 1072640, 1662592, 1716224, 2078240, 2145280, 3325184, 4156480, 4290560, 6650368, 8312960, 8581120, 13300736, 16625920, 26601472, 33251840, 53202944, 66503680, 133007360, 266014720]

約数ペア:

[(1, 266014720), (2, 133007360), (4, 66503680), (5, 53202944), (8, 33251840), (10, 26601472), (16, 16625920), (20, 13300736), (31, 8581120), (32, 8312960), (40, 6650368), (62, 4290560), (64, 4156480), (80, 3325184), (124, 2145280), (128, 2078240), (155, 1716224), (160, 1662592), (248, 1072640), (256, 1039120), (310, 858112), (320, 831296), (419, 634880), (496, 536320), (512, 519560), (620, 429056), (640, 415648), (838, 317440), (992, 268160), (1024, 259780), (1240, 214528), (1280, 207824), (1676, 158720), (1984, 134080), (2048, 129890), (2095, 126976), (2480, 107264), (2560, 103912), (3352, 79360), (3968, 67040), (4096, 64945), (4190, 63488), (4960, 53632), (5120, 51956), (6704, 39680), (7936, 33520), (8380, 31744), (9920, 26816), (10240, 25978), (12989, 20480), (13408, 19840), (15872, 16760)]