20199168720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{118373}}^1$

素因数の和:118474

約数の個数: 160

約数和(自身を含む): 70456204800

約数和(自身を除く): 50257036080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 108, 120, 135, 144, 158, 180, 216, 237, 240, 270, 316, 360, 395, 432, 474, 540, 632, 711, 720, 790, 948, 1080, 1185, 1264, 1422, 1580, 1896, 2133, 2160, 2370, 2844, 3160, 3555, 3792, 4266, 4740, 5688, 6320, 7110, 8532, 9480, 10665, 11376, 14220, 17064, 18960, 21330, 28440, 34128, 42660, 56880, 85320, 118373, 170640, 236746, 355119, 473492, 591865, 710238, 946984, 1065357, 1183730, 1420476, 1775595, 1893968, 2130714, 2367460, 2840952, 3196071, 3551190, 4261428, 4734920, 5326785, 5681904, 6392142, 7102380, 8522856, 9351467, 9469840, 10653570, 12784284, 14204760, 15980355, 17045712, 18702934, 21307140, 25568568, 28054401, 28409520, 31960710, 37405868, 42614280, 46757335, 51137136, 56108802, 63921420, 74811736, 84163203, 85228560, 93514670, 112217604, 127842840, 140272005, 149623472, 168326406, 187029340, 224435208, 252489609, 255685680, 280544010, 336652812, 374058680, 420816015, 448870416, 504979218, 561088020, 673305624, 748117360, 841632030, 1009958436, 1122176040, 1262448045, 1346611248, 1683264060, 2019916872, 2244352080, 2524896090, 3366528120, 4039833744, 5049792180, 6733056240, 10099584360, 20199168720]

約数ペア:

[(1, 20199168720), (2, 10099584360), (3, 6733056240), (4, 5049792180), (5, 4039833744), (6, 3366528120), (8, 2524896090), (9, 2244352080), (10, 2019916872), (12, 1683264060), (15, 1346611248), (16, 1262448045), (18, 1122176040), (20, 1009958436), (24, 841632030), (27, 748117360), (30, 673305624), (36, 561088020), (40, 504979218), (45, 448870416), (48, 420816015), (54, 374058680), (60, 336652812), (72, 280544010), (79, 255685680), (80, 252489609), (90, 224435208), (108, 187029340), (120, 168326406), (135, 149623472), (144, 140272005), (158, 127842840), (180, 112217604), (216, 93514670), (237, 85228560), (240, 84163203), (270, 74811736), (316, 63921420), (360, 56108802), (395, 51137136), (432, 46757335), (474, 42614280), (540, 37405868), (632, 31960710), (711, 28409520), (720, 28054401), (790, 25568568), (948, 21307140), (1080, 18702934), (1185, 17045712), (1264, 15980355), (1422, 14204760), (1580, 12784284), (1896, 10653570), (2133, 9469840), (2160, 9351467), (2370, 8522856), (2844, 7102380), (3160, 6392142), (3555, 5681904), (3792, 5326785), (4266, 4734920), (4740, 4261428), (5688, 3551190), (6320, 3196071), (7110, 2840952), (8532, 2367460), (9480, 2130714), (10665, 1893968), (11376, 1775595), (14220, 1420476), (17064, 1183730), (18960, 1065357), (21330, 946984), (28440, 710238), (34128, 591865), (42660, 473492), (56880, 355119), (85320, 236746), (118373, 170640)]