648668520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 2268000000

約数和(自身を除く): 1619331480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 139, 145, 149, 174, 180, 216, 232, 261, 270, 278, 290, 298, 348, 360, 417, 435, 447, 522, 540, 556, 580, 596, 695, 696, 745, 783, 834, 870, 894, 1044, 1080, 1112, 1160, 1192, 1251, 1305, 1341, 1390, 1490, 1566, 1668, 1740, 1788, 2085, 2088, 2235, 2502, 2610, 2682, 2780, 2980, 3132, 3336, 3480, 3576, 3753, 3915, 4023, 4031, 4170, 4321, 4470, 5004, 5220, 5364, 5560, 5960, 6255, 6264, 6705, 7506, 7830, 8046, 8062, 8340, 8642, 8940, 10008, 10440, 10728, 12093, 12510, 12963, 13410, 15012, 15660, 16092, 16124, 16680, 17284, 17880, 18765, 20115, 20155, 20711, 21605, 24186, 25020, 25926, 26820, 30024, 31320, 32184, 32248, 34568, 36279, 37530, 38889, 40230, 40310, 41422, 43210, 48372, 50040, 51852, 53640, 60465, 62133, 64815, 72558, 75060, 77778, 80460, 80620, 82844, 86420, 96744, 103555, 103704, 108837, 116667, 120930, 124266, 129630, 145116, 150120, 155556, 160920, 161240, 165688, 172840, 181395, 186399, 194445, 207110, 217674, 233334, 241860, 248532, 259260, 290232, 310665, 311112, 362790, 372798, 388890, 414220, 435348, 466668, 483720, 497064, 518520, 544185, 559197, 583335, 600619, 621330, 725580, 745596, 777780, 828440, 870696, 931995, 933336, 1088370, 1118394, 1166670, 1201238, 1242660, 1451160, 1491192, 1555560, 1801857, 1863990, 2176740, 2236788, 2333340, 2402476, 2485320, 2795985, 3003095, 3603714, 3727980, 4353480, 4473576, 4666680, 4804952, 5405571, 5591970, 6006190, 7207428, 7455960, 9009285, 10811142, 11183940, 12012380, 14414856, 16216713, 18018570, 21622284, 22367880, 24024760, 27027855, 32433426, 36037140, 43244568, 54055710, 64866852, 72074280, 81083565, 108111420, 129733704, 162167130, 216222840, 324334260, 648668520]

約数ペア:

[(1, 648668520), (2, 324334260), (3, 216222840), (4, 162167130), (5, 129733704), (6, 108111420), (8, 81083565), (9, 72074280), (10, 64866852), (12, 54055710), (15, 43244568), (18, 36037140), (20, 32433426), (24, 27027855), (27, 24024760), (29, 22367880), (30, 21622284), (36, 18018570), (40, 16216713), (45, 14414856), (54, 12012380), (58, 11183940), (60, 10811142), (72, 9009285), (87, 7455960), (90, 7207428), (108, 6006190), (116, 5591970), (120, 5405571), (135, 4804952), (139, 4666680), (145, 4473576), (149, 4353480), (174, 3727980), (180, 3603714), (216, 3003095), (232, 2795985), (261, 2485320), (270, 2402476), (278, 2333340), (290, 2236788), (298, 2176740), (348, 1863990), (360, 1801857), (417, 1555560), (435, 1491192), (447, 1451160), (522, 1242660), (540, 1201238), (556, 1166670), (580, 1118394), (596, 1088370), (695, 933336), (696, 931995), (745, 870696), (783, 828440), (834, 777780), (870, 745596), (894, 725580), (1044, 621330), (1080, 600619), (1112, 583335), (1160, 559197), (1192, 544185), (1251, 518520), (1305, 497064), (1341, 483720), (1390, 466668), (1490, 435348), (1566, 414220), (1668, 388890), (1740, 372798), (1788, 362790), (2085, 311112), (2088, 310665), (2235, 290232), (2502, 259260), (2610, 248532), (2682, 241860), (2780, 233334), (2980, 217674), (3132, 207110), (3336, 194445), (3480, 186399), (3576, 181395), (3753, 172840), (3915, 165688), (4023, 161240), (4031, 160920), (4170, 155556), (4321, 150120), (4470, 145116), (5004, 129630), (5220, 124266), (5364, 120930), (5560, 116667), (5960, 108837), (6255, 103704), (6264, 103555), (6705, 96744), (7506, 86420), (7830, 82844), (8046, 80620), (8062, 80460), (8340, 77778), (8642, 75060), (8940, 72558), (10008, 64815), (10440, 62133), (10728, 60465), (12093, 53640), (12510, 51852), (12963, 50040), (13410, 48372), (15012, 43210), (15660, 41422), (16092, 40310), (16124, 40230), (16680, 38889), (17284, 37530), (17880, 36279), (18765, 34568), (20115, 32248), (20155, 32184), (20711, 31320), (21605, 30024), (24186, 26820), (25020, 25926)]