278399880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 994593600

約数和(自身を除く): 716193720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 229, 264, 307, 330, 360, 396, 440, 458, 495, 614, 660, 687, 792, 916, 921, 990, 1145, 1228, 1320, 1374, 1535, 1832, 1842, 1980, 2061, 2290, 2456, 2519, 2748, 2763, 3070, 3377, 3435, 3684, 3960, 4122, 4580, 4605, 5038, 5496, 5526, 6140, 6754, 6870, 7368, 7557, 8244, 9160, 9210, 10076, 10131, 10305, 11052, 12280, 12595, 13508, 13740, 13815, 15114, 16488, 16885, 18420, 20152, 20262, 20610, 22104, 22671, 25190, 27016, 27480, 27630, 30228, 30393, 33770, 36840, 37785, 40524, 41220, 45342, 50380, 50655, 55260, 60456, 60786, 67540, 70303, 75570, 81048, 82440, 90684, 100760, 101310, 110520, 113355, 121572, 135080, 140606, 151140, 151965, 181368, 202620, 210909, 226710, 243144, 281212, 302280, 303930, 351515, 405240, 421818, 453420, 562424, 607860, 632727, 703030, 773333, 843636, 906840, 1054545, 1215720, 1265454, 1406060, 1546666, 1687272, 2109090, 2319999, 2530908, 2812120, 3093332, 3163635, 3866665, 4218180, 4639998, 5061816, 6186664, 6327270, 6959997, 7733330, 8436360, 9279996, 11599995, 12654540, 13919994, 15466660, 18559992, 23199990, 25309080, 27839988, 30933320, 34799985, 46399980, 55679976, 69599970, 92799960, 139199940, 278399880]

約数ペア:

[(1, 278399880), (2, 139199940), (3, 92799960), (4, 69599970), (5, 55679976), (6, 46399980), (8, 34799985), (9, 30933320), (10, 27839988), (11, 25309080), (12, 23199990), (15, 18559992), (18, 15466660), (20, 13919994), (22, 12654540), (24, 11599995), (30, 9279996), (33, 8436360), (36, 7733330), (40, 6959997), (44, 6327270), (45, 6186664), (55, 5061816), (60, 4639998), (66, 4218180), (72, 3866665), (88, 3163635), (90, 3093332), (99, 2812120), (110, 2530908), (120, 2319999), (132, 2109090), (165, 1687272), (180, 1546666), (198, 1406060), (220, 1265454), (229, 1215720), (264, 1054545), (307, 906840), (330, 843636), (360, 773333), (396, 703030), (440, 632727), (458, 607860), (495, 562424), (614, 453420), (660, 421818), (687, 405240), (792, 351515), (916, 303930), (921, 302280), (990, 281212), (1145, 243144), (1228, 226710), (1320, 210909), (1374, 202620), (1535, 181368), (1832, 151965), (1842, 151140), (1980, 140606), (2061, 135080), (2290, 121572), (2456, 113355), (2519, 110520), (2748, 101310), (2763, 100760), (3070, 90684), (3377, 82440), (3435, 81048), (3684, 75570), (3960, 70303), (4122, 67540), (4580, 60786), (4605, 60456), (5038, 55260), (5496, 50655), (5526, 50380), (6140, 45342), (6754, 41220), (6870, 40524), (7368, 37785), (7557, 36840), (8244, 33770), (9160, 30393), (9210, 30228), (10076, 27630), (10131, 27480), (10305, 27016), (11052, 25190), (12280, 22671), (12595, 22104), (13508, 20610), (13740, 20262), (13815, 20152), (15114, 18420), (16488, 16885)]