128723040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 457228800

約数和(自身を除く): 328505760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 96, 108, 120, 135, 144, 160, 166, 180, 216, 240, 249, 270, 288, 332, 359, 360, 415, 432, 480, 498, 540, 664, 718, 720, 747, 830, 864, 996, 1077, 1080, 1245, 1328, 1436, 1440, 1494, 1660, 1795, 1992, 2154, 2160, 2241, 2490, 2656, 2872, 2988, 3231, 3320, 3590, 3735, 3984, 4308, 4320, 4482, 4980, 5385, 5744, 5976, 6462, 6640, 7180, 7470, 7968, 8616, 8964, 9693, 9960, 10770, 11205, 11488, 11952, 12924, 13280, 14360, 14940, 16155, 17232, 17928, 19386, 19920, 21540, 22410, 23904, 25848, 28720, 29797, 29880, 32310, 34464, 35856, 38772, 39840, 43080, 44820, 48465, 51696, 57440, 59594, 59760, 64620, 71712, 77544, 86160, 89391, 89640, 96930, 103392, 119188, 119520, 129240, 148985, 155088, 172320, 178782, 179280, 193860, 238376, 258480, 268173, 297970, 310176, 357564, 358560, 387720, 446955, 476752, 516960, 536346, 595940, 715128, 775440, 804519, 893910, 953504, 1072692, 1191880, 1340865, 1430256, 1550880, 1609038, 1787820, 2145384, 2383760, 2681730, 2860512, 3218076, 3575640, 4022595, 4290768, 4767520, 5363460, 6436152, 7151280, 8045190, 8581536, 10726920, 12872304, 14302560, 16090380, 21453840, 25744608, 32180760, 42907680, 64361520, 128723040]

約数ペア:

[(1, 128723040), (2, 64361520), (3, 42907680), (4, 32180760), (5, 25744608), (6, 21453840), (8, 16090380), (9, 14302560), (10, 12872304), (12, 10726920), (15, 8581536), (16, 8045190), (18, 7151280), (20, 6436152), (24, 5363460), (27, 4767520), (30, 4290768), (32, 4022595), (36, 3575640), (40, 3218076), (45, 2860512), (48, 2681730), (54, 2383760), (60, 2145384), (72, 1787820), (80, 1609038), (83, 1550880), (90, 1430256), (96, 1340865), (108, 1191880), (120, 1072692), (135, 953504), (144, 893910), (160, 804519), (166, 775440), (180, 715128), (216, 595940), (240, 536346), (249, 516960), (270, 476752), (288, 446955), (332, 387720), (359, 358560), (360, 357564), (415, 310176), (432, 297970), (480, 268173), (498, 258480), (540, 238376), (664, 193860), (718, 179280), (720, 178782), (747, 172320), (830, 155088), (864, 148985), (996, 129240), (1077, 119520), (1080, 119188), (1245, 103392), (1328, 96930), (1436, 89640), (1440, 89391), (1494, 86160), (1660, 77544), (1795, 71712), (1992, 64620), (2154, 59760), (2160, 59594), (2241, 57440), (2490, 51696), (2656, 48465), (2872, 44820), (2988, 43080), (3231, 39840), (3320, 38772), (3590, 35856), (3735, 34464), (3984, 32310), (4308, 29880), (4320, 29797), (4482, 28720), (4980, 25848), (5385, 23904), (5744, 22410), (5976, 21540), (6462, 19920), (6640, 19386), (7180, 17928), (7470, 17232), (7968, 16155), (8616, 14940), (8964, 14360), (9693, 13280), (9960, 12924), (10770, 11952), (11205, 11488)]