20952875520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1097}}^1$

素因数の和:1955

約数の個数: 240

約数和(自身を含む): 72719463960

約数和(自身を除く): 51766588440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 829, 960, 1097, 1152, 1280, 1440, 1536, 1658, 1920, 2194, 2304, 2487, 2560, 2880, 3291, 3316, 3840, 4145, 4388, 4608, 4974, 5485, 5760, 6582, 6632, 7461, 7680, 8290, 8776, 9873, 9948, 10970, 11520, 12435, 13164, 13264, 14922, 16455, 16580, 17552, 19746, 19896, 21940, 23040, 24870, 26328, 26528, 29844, 32910, 33160, 35104, 37305, 39492, 39792, 43880, 49365, 49740, 52656, 53056, 59688, 65820, 66320, 70208, 74610, 78984, 79584, 87760, 98730, 99480, 105312, 106112, 119376, 131640, 132640, 140416, 149220, 157968, 159168, 175520, 197460, 198960, 210624, 212224, 238752, 263280, 265280, 280832, 298440, 315936, 318336, 351040, 394920, 397920, 421248, 424448, 477504, 526560, 530560, 561664, 596880, 631872, 636672, 702080, 789840, 795840, 842496, 909413, 955008, 1053120, 1061120, 1193760, 1263744, 1273344, 1404160, 1579680, 1591680, 1684992, 1818826, 1910016, 2106240, 2122240, 2387520, 2527488, 2728239, 2808320, 3159360, 3183360, 3637652, 3820032, 4212480, 4547065, 4775040, 5054976, 5456478, 6318720, 6366720, 7275304, 8184717, 8424960, 9094130, 9550080, 10912956, 12637440, 13641195, 14550608, 16369434, 18188260, 19100160, 21825912, 25274880, 27282390, 29101216, 32738868, 36376520, 40923585, 43651824, 54564780, 58202432, 65477736, 72753040, 81847170, 87303648, 109129560, 116404864, 130955472, 145506080, 163694340, 174607296, 218259120, 232809728, 261910944, 291012160, 327388680, 349214592, 436518240, 465619456, 523821888, 582024320, 654777360, 698429184, 873036480, 1047643776, 1164048640, 1309554720, 1396858368, 1746072960, 2095287552, 2328097280, 2619109440, 3492145920, 4190575104, 5238218880, 6984291840, 10476437760, 20952875520]

約数ペア:

[(1, 20952875520), (2, 10476437760), (3, 6984291840), (4, 5238218880), (5, 4190575104), (6, 3492145920), (8, 2619109440), (9, 2328097280), (10, 2095287552), (12, 1746072960), (15, 1396858368), (16, 1309554720), (18, 1164048640), (20, 1047643776), (24, 873036480), (30, 698429184), (32, 654777360), (36, 582024320), (40, 523821888), (45, 465619456), (48, 436518240), (60, 349214592), (64, 327388680), (72, 291012160), (80, 261910944), (90, 232809728), (96, 218259120), (120, 174607296), (128, 163694340), (144, 145506080), (160, 130955472), (180, 116404864), (192, 109129560), (240, 87303648), (256, 81847170), (288, 72753040), (320, 65477736), (360, 58202432), (384, 54564780), (480, 43651824), (512, 40923585), (576, 36376520), (640, 32738868), (720, 29101216), (768, 27282390), (829, 25274880), (960, 21825912), (1097, 19100160), (1152, 18188260), (1280, 16369434), (1440, 14550608), (1536, 13641195), (1658, 12637440), (1920, 10912956), (2194, 9550080), (2304, 9094130), (2487, 8424960), (2560, 8184717), (2880, 7275304), (3291, 6366720), (3316, 6318720), (3840, 5456478), (4145, 5054976), (4388, 4775040), (4608, 4547065), (4974, 4212480), (5485, 3820032), (5760, 3637652), (6582, 3183360), (6632, 3159360), (7461, 2808320), (7680, 2728239), (8290, 2527488), (8776, 2387520), (9873, 2122240), (9948, 2106240), (10970, 1910016), (11520, 1818826), (12435, 1684992), (13164, 1591680), (13264, 1579680), (14922, 1404160), (16455, 1273344), (16580, 1263744), (17552, 1193760), (19746, 1061120), (19896, 1053120), (21940, 955008), (23040, 909413), (24870, 842496), (26328, 795840), (26528, 789840), (29844, 702080), (32910, 636672), (33160, 631872), (35104, 596880), (37305, 561664), (39492, 530560), (39792, 526560), (43880, 477504), (49365, 424448), (49740, 421248), (52656, 397920), (53056, 394920), (59688, 351040), (65820, 318336), (66320, 315936), (70208, 298440), (74610, 280832), (78984, 265280), (79584, 263280), (87760, 238752), (98730, 212224), (99480, 210624), (105312, 198960), (106112, 197460), (119376, 175520), (131640, 159168), (132640, 157968), (140416, 149220)]