78162480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 214318800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 139, 142, 144, 165, 176, 180, 198, 213, 220, 240, 264, 278, 284, 330, 355, 360, 396, 417, 426, 440, 495, 528, 556, 568, 639, 660, 695, 710, 720, 781, 792, 834, 852, 880, 990, 1065, 1112, 1136, 1251, 1278, 1320, 1390, 1420, 1529, 1562, 1584, 1668, 1704, 1980, 2085, 2130, 2224, 2343, 2502, 2556, 2640, 2780, 2840, 3058, 3124, 3195, 3336, 3408, 3905, 3960, 4170, 4260, 4587, 4686, 5004, 5112, 5560, 5680, 6116, 6248, 6255, 6390, 6672, 7029, 7645, 7810, 7920, 8340, 8520, 9174, 9372, 9869, 10008, 10224, 11120, 11715, 12232, 12496, 12510, 12780, 13761, 14058, 15290, 15620, 16680, 17040, 18348, 18744, 19738, 20016, 22935, 23430, 24464, 25020, 25560, 27522, 28116, 29607, 30580, 31240, 33360, 35145, 36696, 37488, 39476, 45870, 46860, 49345, 50040, 51120, 55044, 56232, 59214, 61160, 62480, 68805, 70290, 73392, 78952, 88821, 91740, 93720, 98690, 100080, 108559, 110088, 112464, 118428, 122320, 137610, 140580, 148035, 157904, 177642, 183480, 187440, 197380, 217118, 220176, 236856, 275220, 281160, 296070, 325677, 355284, 366960, 394760, 434236, 444105, 473712, 542795, 550440, 562320, 592140, 651354, 710568, 789520, 868472, 888210, 977031, 1085590, 1100880, 1184280, 1302708, 1421136, 1628385, 1736944, 1776420, 1954062, 2171180, 2368560, 2605416, 3256770, 3552840, 3908124, 4342360, 4885155, 5210832, 6513540, 7105680, 7816248, 8684720, 9770310, 13027080, 15632496, 19540620, 26054160, 39081240, 78162480]

約数ペア:

[(1, 78162480), (2, 39081240), (3, 26054160), (4, 19540620), (5, 15632496), (6, 13027080), (8, 9770310), (9, 8684720), (10, 7816248), (11, 7105680), (12, 6513540), (15, 5210832), (16, 4885155), (18, 4342360), (20, 3908124), (22, 3552840), (24, 3256770), (30, 2605416), (33, 2368560), (36, 2171180), (40, 1954062), (44, 1776420), (45, 1736944), (48, 1628385), (55, 1421136), (60, 1302708), (66, 1184280), (71, 1100880), (72, 1085590), (80, 977031), (88, 888210), (90, 868472), (99, 789520), (110, 710568), (120, 651354), (132, 592140), (139, 562320), (142, 550440), (144, 542795), (165, 473712), (176, 444105), (180, 434236), (198, 394760), (213, 366960), (220, 355284), (240, 325677), (264, 296070), (278, 281160), (284, 275220), (330, 236856), (355, 220176), (360, 217118), (396, 197380), (417, 187440), (426, 183480), (440, 177642), (495, 157904), (528, 148035), (556, 140580), (568, 137610), (639, 122320), (660, 118428), (695, 112464), (710, 110088), (720, 108559), (781, 100080), (792, 98690), (834, 93720), (852, 91740), (880, 88821), (990, 78952), (1065, 73392), (1112, 70290), (1136, 68805), (1251, 62480), (1278, 61160), (1320, 59214), (1390, 56232), (1420, 55044), (1529, 51120), (1562, 50040), (1584, 49345), (1668, 46860), (1704, 45870), (1980, 39476), (2085, 37488), (2130, 36696), (2224, 35145), (2343, 33360), (2502, 31240), (2556, 30580), (2640, 29607), (2780, 28116), (2840, 27522), (3058, 25560), (3124, 25020), (3195, 24464), (3336, 23430), (3408, 22935), (3905, 20016), (3960, 19738), (4170, 18744), (4260, 18348), (4587, 17040), (4686, 16680), (5004, 15620), (5112, 15290), (5560, 14058), (5680, 13761), (6116, 12780), (6248, 12510), (6255, 12496), (6390, 12232), (6672, 11715), (7029, 11120), (7645, 10224), (7810, 10008), (7920, 9869), (8340, 9372), (8520, 9174)]