244927280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 647958528

約数和(自身を除く): 403031248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 107, 124, 130, 142, 155, 208, 214, 248, 260, 284, 310, 355, 403, 428, 496, 520, 535, 568, 620, 710, 806, 856, 923, 1040, 1070, 1136, 1240, 1391, 1420, 1612, 1712, 1846, 2015, 2140, 2201, 2480, 2782, 2840, 3224, 3317, 3692, 4030, 4280, 4402, 4615, 5564, 5680, 6448, 6634, 6955, 7384, 7597, 8060, 8560, 8804, 9230, 11005, 11128, 13268, 13910, 14768, 15194, 16120, 16585, 17608, 18460, 22010, 22256, 26536, 27820, 28613, 30388, 32240, 33170, 35216, 36920, 37985, 43121, 44020, 53072, 55640, 57226, 60776, 66340, 73840, 75970, 86242, 88040, 98761, 111280, 114452, 121552, 132680, 143065, 151940, 172484, 176080, 197522, 215605, 228904, 235507, 265360, 286130, 303880, 344968, 395044, 431210, 457808, 471014, 493805, 572260, 607760, 689936, 790088, 862420, 942028, 987610, 1144520, 1177535, 1580176, 1724840, 1884056, 1975220, 2289040, 2355070, 3061591, 3449680, 3768112, 3950440, 4710140, 6123182, 7900880, 9420280, 12246364, 15307955, 18840560, 24492728, 30615910, 48985456, 61231820, 122463640, 244927280]

約数ペア:

[(1, 244927280), (2, 122463640), (4, 61231820), (5, 48985456), (8, 30615910), (10, 24492728), (13, 18840560), (16, 15307955), (20, 12246364), (26, 9420280), (31, 7900880), (40, 6123182), (52, 4710140), (62, 3950440), (65, 3768112), (71, 3449680), (80, 3061591), (104, 2355070), (107, 2289040), (124, 1975220), (130, 1884056), (142, 1724840), (155, 1580176), (208, 1177535), (214, 1144520), (248, 987610), (260, 942028), (284, 862420), (310, 790088), (355, 689936), (403, 607760), (428, 572260), (496, 493805), (520, 471014), (535, 457808), (568, 431210), (620, 395044), (710, 344968), (806, 303880), (856, 286130), (923, 265360), (1040, 235507), (1070, 228904), (1136, 215605), (1240, 197522), (1391, 176080), (1420, 172484), (1612, 151940), (1712, 143065), (1846, 132680), (2015, 121552), (2140, 114452), (2201, 111280), (2480, 98761), (2782, 88040), (2840, 86242), (3224, 75970), (3317, 73840), (3692, 66340), (4030, 60776), (4280, 57226), (4402, 55640), (4615, 53072), (5564, 44020), (5680, 43121), (6448, 37985), (6634, 36920), (6955, 35216), (7384, 33170), (7597, 32240), (8060, 30388), (8560, 28613), (8804, 27820), (9230, 26536), (11005, 22256), (11128, 22010), (13268, 18460), (13910, 17608), (14768, 16585), (15194, 16120)]