249319260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 778377600

約数和(自身を除く): 529058340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 89, 90, 158, 178, 180, 197, 237, 267, 316, 356, 394, 395, 445, 474, 534, 591, 711, 788, 790, 801, 890, 948, 985, 1068, 1182, 1185, 1335, 1422, 1580, 1602, 1773, 1780, 1970, 2364, 2370, 2670, 2844, 2955, 3204, 3546, 3555, 3940, 4005, 4740, 5340, 5910, 7031, 7092, 7110, 8010, 8865, 11820, 14062, 14220, 15563, 16020, 17533, 17730, 21093, 28124, 31126, 35066, 35155, 35460, 42186, 46689, 52599, 62252, 63279, 70132, 70310, 77815, 84372, 87665, 93378, 105198, 105465, 126558, 140067, 140620, 155630, 157797, 175330, 186756, 210396, 210930, 233445, 253116, 262995, 280134, 311260, 315594, 316395, 350660, 421860, 466890, 525990, 560268, 631188, 632790, 700335, 788985, 933780, 1051980, 1265580, 1385107, 1400670, 1577970, 2770214, 2801340, 3155940, 4155321, 5540428, 6925535, 8310642, 12465963, 13851070, 16621284, 20776605, 24931926, 27702140, 41553210, 49863852, 62329815, 83106420, 124659630, 249319260]

約数ペア:

[(1, 249319260), (2, 124659630), (3, 83106420), (4, 62329815), (5, 49863852), (6, 41553210), (9, 27702140), (10, 24931926), (12, 20776605), (15, 16621284), (18, 13851070), (20, 12465963), (30, 8310642), (36, 6925535), (45, 5540428), (60, 4155321), (79, 3155940), (89, 2801340), (90, 2770214), (158, 1577970), (178, 1400670), (180, 1385107), (197, 1265580), (237, 1051980), (267, 933780), (316, 788985), (356, 700335), (394, 632790), (395, 631188), (445, 560268), (474, 525990), (534, 466890), (591, 421860), (711, 350660), (788, 316395), (790, 315594), (801, 311260), (890, 280134), (948, 262995), (985, 253116), (1068, 233445), (1182, 210930), (1185, 210396), (1335, 186756), (1422, 175330), (1580, 157797), (1602, 155630), (1773, 140620), (1780, 140067), (1970, 126558), (2364, 105465), (2370, 105198), (2670, 93378), (2844, 87665), (2955, 84372), (3204, 77815), (3546, 70310), (3555, 70132), (3940, 63279), (4005, 62252), (4740, 52599), (5340, 46689), (5910, 42186), (7031, 35460), (7092, 35155), (7110, 35066), (8010, 31126), (8865, 28124), (11820, 21093), (14062, 17730), (14220, 17533), (15563, 16020)]