2719310080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68531}}^1$

素因数の和:68583

約数の個数: 72

約数和(自身を含む): 6723811584

約数和(自身を除く): 4004501504

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, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 68531, 137062, 274124, 342655, 548248, 685310, 1096496, 1370620, 2124461, 2192992, 2741240, 4248922, 4385984, 5482480, 8497844, 8771968, 10622305, 10964960, 16995688, 17543936, 21244610, 21929920, 33991376, 42489220, 43859840, 67982752, 84978440, 87719680, 135965504, 169956880, 271931008, 339913760, 543862016, 679827520, 1359655040, 2719310080]

約数ペア:

[(1, 2719310080), (2, 1359655040), (4, 679827520), (5, 543862016), (8, 339913760), (10, 271931008), (16, 169956880), (20, 135965504), (31, 87719680), (32, 84978440), (40, 67982752), (62, 43859840), (64, 42489220), (80, 33991376), (124, 21929920), (128, 21244610), (155, 17543936), (160, 16995688), (248, 10964960), (256, 10622305), (310, 8771968), (320, 8497844), (496, 5482480), (620, 4385984), (640, 4248922), (992, 2741240), (1240, 2192992), (1280, 2124461), (1984, 1370620), (2480, 1096496), (3968, 685310), (4960, 548248), (7936, 342655), (9920, 274124), (19840, 137062), (39680, 68531)]