243694720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 613370880

約数和(自身を除く): 369676160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 173, 248, 284, 310, 320, 346, 355, 496, 568, 620, 640, 692, 710, 865, 992, 1136, 1240, 1384, 1420, 1730, 1984, 2201, 2272, 2480, 2768, 2840, 3460, 3968, 4402, 4544, 4960, 5363, 5536, 5680, 6920, 8804, 9088, 9920, 10726, 11005, 11072, 11360, 12283, 13840, 17608, 19840, 21452, 22010, 22144, 22720, 24566, 26815, 27680, 35216, 42904, 44020, 45440, 49132, 53630, 55360, 61415, 70432, 85808, 88040, 98264, 107260, 110720, 122830, 140864, 171616, 176080, 196528, 214520, 245660, 281728, 343232, 352160, 380773, 393056, 429040, 491320, 686464, 704320, 761546, 786112, 858080, 982640, 1408640, 1523092, 1572224, 1716160, 1903865, 1965280, 3046184, 3432320, 3807730, 3930560, 6092368, 7615460, 7861120, 12184736, 15230920, 24369472, 30461840, 48738944, 60923680, 121847360, 243694720]

約数ペア:

[(1, 243694720), (2, 121847360), (4, 60923680), (5, 48738944), (8, 30461840), (10, 24369472), (16, 15230920), (20, 12184736), (31, 7861120), (32, 7615460), (40, 6092368), (62, 3930560), (64, 3807730), (71, 3432320), (80, 3046184), (124, 1965280), (128, 1903865), (142, 1716160), (155, 1572224), (160, 1523092), (173, 1408640), (248, 982640), (284, 858080), (310, 786112), (320, 761546), (346, 704320), (355, 686464), (496, 491320), (568, 429040), (620, 393056), (640, 380773), (692, 352160), (710, 343232), (865, 281728), (992, 245660), (1136, 214520), (1240, 196528), (1384, 176080), (1420, 171616), (1730, 140864), (1984, 122830), (2201, 110720), (2272, 107260), (2480, 98264), (2768, 88040), (2840, 85808), (3460, 70432), (3968, 61415), (4402, 55360), (4544, 53630), (4960, 49132), (5363, 45440), (5536, 44020), (5680, 42904), (6920, 35216), (8804, 27680), (9088, 26815), (9920, 24566), (10726, 22720), (11005, 22144), (11072, 22010), (11360, 21452), (12283, 19840), (13840, 17608)]