78266880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 240

約数和(自身を含む): 280874880

約数和(自身を除く): 202608000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 79, 80, 86, 90, 96, 120, 128, 129, 144, 158, 160, 172, 180, 192, 215, 237, 240, 256, 258, 288, 316, 320, 344, 360, 384, 387, 395, 430, 474, 480, 512, 516, 576, 632, 640, 645, 688, 711, 720, 768, 774, 790, 860, 948, 960, 1032, 1152, 1185, 1264, 1280, 1290, 1376, 1422, 1440, 1536, 1548, 1580, 1720, 1896, 1920, 1935, 2064, 2304, 2370, 2528, 2560, 2580, 2752, 2844, 2880, 3096, 3160, 3397, 3440, 3555, 3792, 3840, 3870, 4128, 4608, 4740, 5056, 5160, 5504, 5688, 5760, 6192, 6320, 6794, 6880, 7110, 7584, 7680, 7740, 8256, 9480, 10112, 10191, 10320, 11008, 11376, 11520, 12384, 12640, 13588, 13760, 14220, 15168, 15480, 16512, 16985, 18960, 20224, 20382, 20640, 22016, 22752, 23040, 24768, 25280, 27176, 27520, 28440, 30336, 30573, 30960, 33024, 33970, 37920, 40448, 40764, 41280, 45504, 49536, 50560, 50955, 54352, 55040, 56880, 60672, 61146, 61920, 66048, 67940, 75840, 81528, 82560, 91008, 99072, 101120, 101910, 108704, 110080, 113760, 121344, 122292, 123840, 135880, 151680, 152865, 163056, 165120, 182016, 198144, 202240, 203820, 217408, 227520, 244584, 247680, 271760, 303360, 305730, 326112, 330240, 364032, 407640, 434816, 455040, 489168, 495360, 543520, 606720, 611460, 652224, 815280, 869632, 910080, 978336, 990720, 1087040, 1222920, 1304448, 1630560, 1739264, 1820160, 1956672, 2174080, 2445840, 2608896, 3261120, 3913344, 4348160, 4891680, 5217792, 6522240, 7826688, 8696320, 9783360, 13044480, 15653376, 19566720, 26088960, 39133440, 78266880]

約数ペア:

[(1, 78266880), (2, 39133440), (3, 26088960), (4, 19566720), (5, 15653376), (6, 13044480), (8, 9783360), (9, 8696320), (10, 7826688), (12, 6522240), (15, 5217792), (16, 4891680), (18, 4348160), (20, 3913344), (24, 3261120), (30, 2608896), (32, 2445840), (36, 2174080), (40, 1956672), (43, 1820160), (45, 1739264), (48, 1630560), (60, 1304448), (64, 1222920), (72, 1087040), (79, 990720), (80, 978336), (86, 910080), (90, 869632), (96, 815280), (120, 652224), (128, 611460), (129, 606720), (144, 543520), (158, 495360), (160, 489168), (172, 455040), (180, 434816), (192, 407640), (215, 364032), (237, 330240), (240, 326112), (256, 305730), (258, 303360), (288, 271760), (316, 247680), (320, 244584), (344, 227520), (360, 217408), (384, 203820), (387, 202240), (395, 198144), (430, 182016), (474, 165120), (480, 163056), (512, 152865), (516, 151680), (576, 135880), (632, 123840), (640, 122292), (645, 121344), (688, 113760), (711, 110080), (720, 108704), (768, 101910), (774, 101120), (790, 99072), (860, 91008), (948, 82560), (960, 81528), (1032, 75840), (1152, 67940), (1185, 66048), (1264, 61920), (1280, 61146), (1290, 60672), (1376, 56880), (1422, 55040), (1440, 54352), (1536, 50955), (1548, 50560), (1580, 49536), (1720, 45504), (1896, 41280), (1920, 40764), (1935, 40448), (2064, 37920), (2304, 33970), (2370, 33024), (2528, 30960), (2560, 30573), (2580, 30336), (2752, 28440), (2844, 27520), (2880, 27176), (3096, 25280), (3160, 24768), (3397, 23040), (3440, 22752), (3555, 22016), (3792, 20640), (3840, 20382), (3870, 20224), (4128, 18960), (4608, 16985), (4740, 16512), (5056, 15480), (5160, 15168), (5504, 14220), (5688, 13760), (5760, 13588), (6192, 12640), (6320, 12384), (6794, 11520), (6880, 11376), (7110, 11008), (7584, 10320), (7680, 10191), (7740, 10112), (8256, 9480)]