128234520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 439732800

約数和(自身を除く): 311498280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 71, 72, 87, 90, 116, 120, 142, 145, 173, 174, 180, 213, 232, 261, 284, 290, 346, 348, 355, 360, 426, 435, 519, 522, 568, 580, 639, 692, 696, 710, 852, 865, 870, 1038, 1044, 1065, 1160, 1278, 1305, 1384, 1420, 1557, 1704, 1730, 1740, 2059, 2076, 2088, 2130, 2556, 2595, 2610, 2840, 3114, 3195, 3460, 3480, 4118, 4152, 4260, 5017, 5112, 5190, 5220, 6177, 6228, 6390, 6920, 7785, 8236, 8520, 10034, 10295, 10380, 10440, 12283, 12354, 12456, 12780, 15051, 15570, 16472, 18531, 20068, 20590, 20760, 24566, 24708, 25085, 25560, 30102, 30885, 31140, 36849, 37062, 40136, 41180, 45153, 49132, 49416, 50170, 60204, 61415, 61770, 62280, 73698, 74124, 75255, 82360, 90306, 92655, 98264, 100340, 110547, 120408, 122830, 123540, 147396, 148248, 150510, 180612, 184245, 185310, 200680, 221094, 225765, 245660, 247080, 294792, 301020, 356207, 361224, 368490, 370620, 442188, 451530, 491320, 552735, 602040, 712414, 736980, 741240, 884376, 903060, 1068621, 1105470, 1424828, 1473960, 1781035, 1806120, 2137242, 2210940, 2849656, 3205863, 3562070, 4274484, 4421880, 5343105, 6411726, 7124140, 8548968, 10686210, 12823452, 14248280, 16029315, 21372420, 25646904, 32058630, 42744840, 64117260, 128234520]

約数ペア:

[(1, 128234520), (2, 64117260), (3, 42744840), (4, 32058630), (5, 25646904), (6, 21372420), (8, 16029315), (9, 14248280), (10, 12823452), (12, 10686210), (15, 8548968), (18, 7124140), (20, 6411726), (24, 5343105), (29, 4421880), (30, 4274484), (36, 3562070), (40, 3205863), (45, 2849656), (58, 2210940), (60, 2137242), (71, 1806120), (72, 1781035), (87, 1473960), (90, 1424828), (116, 1105470), (120, 1068621), (142, 903060), (145, 884376), (173, 741240), (174, 736980), (180, 712414), (213, 602040), (232, 552735), (261, 491320), (284, 451530), (290, 442188), (346, 370620), (348, 368490), (355, 361224), (360, 356207), (426, 301020), (435, 294792), (519, 247080), (522, 245660), (568, 225765), (580, 221094), (639, 200680), (692, 185310), (696, 184245), (710, 180612), (852, 150510), (865, 148248), (870, 147396), (1038, 123540), (1044, 122830), (1065, 120408), (1160, 110547), (1278, 100340), (1305, 98264), (1384, 92655), (1420, 90306), (1557, 82360), (1704, 75255), (1730, 74124), (1740, 73698), (2059, 62280), (2076, 61770), (2088, 61415), (2130, 60204), (2556, 50170), (2595, 49416), (2610, 49132), (2840, 45153), (3114, 41180), (3195, 40136), (3460, 37062), (3480, 36849), (4118, 31140), (4152, 30885), (4260, 30102), (5017, 25560), (5112, 25085), (5190, 24708), (5220, 24566), (6177, 20760), (6228, 20590), (6390, 20068), (6920, 18531), (7785, 16472), (8236, 15570), (8520, 15051), (10034, 12780), (10295, 12456), (10380, 12354), (10440, 12283)]