1388777040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3881}}^1$

素因数の和:3978

約数の個数: 240

約数和(自身を含む): 5406725376

約数和(自身を除く): 4017948336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 420, 426, 497, 504, 560, 568, 630, 639, 710, 720, 840, 852, 994, 1008, 1065, 1136, 1260, 1278, 1420, 1491, 1680, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3408, 3881, 3976, 4260, 4473, 4970, 5040, 5112, 5680, 5964, 6390, 7455, 7762, 7952, 8520, 8946, 9940, 10224, 11643, 11928, 12780, 14910, 15524, 17040, 17892, 19405, 19880, 22365, 23286, 23856, 25560, 27167, 29820, 31048, 34929, 35784, 38810, 39760, 44730, 46572, 51120, 54334, 58215, 59640, 62096, 69858, 71568, 77620, 81501, 89460, 93144, 108668, 116430, 119280, 135835, 139716, 155240, 163002, 174645, 178920, 186288, 217336, 232860, 244503, 271670, 275551, 279432, 310480, 326004, 349290, 357840, 407505, 434672, 465720, 489006, 543340, 551102, 558864, 652008, 698580, 815010, 826653, 931440, 978012, 1086680, 1102204, 1222515, 1304016, 1377755, 1397160, 1630020, 1653306, 1928857, 1956024, 2173360, 2204408, 2445030, 2479959, 2755510, 2794320, 3260040, 3306612, 3857714, 3912048, 4133265, 4408816, 4890060, 4959918, 5511020, 5786571, 6520080, 6613224, 7715428, 8266530, 9644285, 9780120, 9919836, 11022040, 11573142, 12399795, 13226448, 15430856, 16533060, 17359713, 19288570, 19560240, 19839672, 22044080, 23146284, 24799590, 28932855, 30861712, 33066120, 34719426, 38577140, 39679344, 46292568, 49599180, 57865710, 66132240, 69438852, 77154280, 86798565, 92585136, 99198360, 115731420, 138877704, 154308560, 173597130, 198396720, 231462840, 277755408, 347194260, 462925680, 694388520, 1388777040]

約数ペア:

[(1, 1388777040), (2, 694388520), (3, 462925680), (4, 347194260), (5, 277755408), (6, 231462840), (7, 198396720), (8, 173597130), (9, 154308560), (10, 138877704), (12, 115731420), (14, 99198360), (15, 92585136), (16, 86798565), (18, 77154280), (20, 69438852), (21, 66132240), (24, 57865710), (28, 49599180), (30, 46292568), (35, 39679344), (36, 38577140), (40, 34719426), (42, 33066120), (45, 30861712), (48, 28932855), (56, 24799590), (60, 23146284), (63, 22044080), (70, 19839672), (71, 19560240), (72, 19288570), (80, 17359713), (84, 16533060), (90, 15430856), (105, 13226448), (112, 12399795), (120, 11573142), (126, 11022040), (140, 9919836), (142, 9780120), (144, 9644285), (168, 8266530), (180, 7715428), (210, 6613224), (213, 6520080), (240, 5786571), (252, 5511020), (280, 4959918), (284, 4890060), (315, 4408816), (336, 4133265), (355, 3912048), (360, 3857714), (420, 3306612), (426, 3260040), (497, 2794320), (504, 2755510), (560, 2479959), (568, 2445030), (630, 2204408), (639, 2173360), (710, 1956024), (720, 1928857), (840, 1653306), (852, 1630020), (994, 1397160), (1008, 1377755), (1065, 1304016), (1136, 1222515), (1260, 1102204), (1278, 1086680), (1420, 978012), (1491, 931440), (1680, 826653), (1704, 815010), (1988, 698580), (2130, 652008), (2485, 558864), (2520, 551102), (2556, 543340), (2840, 489006), (2982, 465720), (3195, 434672), (3408, 407505), (3881, 357840), (3976, 349290), (4260, 326004), (4473, 310480), (4970, 279432), (5040, 275551), (5112, 271670), (5680, 244503), (5964, 232860), (6390, 217336), (7455, 186288), (7762, 178920), (7952, 174645), (8520, 163002), (8946, 155240), (9940, 139716), (10224, 135835), (11643, 119280), (11928, 116430), (12780, 108668), (14910, 93144), (15524, 89460), (17040, 81501), (17892, 77620), (19405, 71568), (19880, 69858), (22365, 62096), (23286, 59640), (23856, 58215), (25560, 54334), (27167, 51120), (29820, 46572), (31048, 44730), (34929, 39760), (35784, 38810)]