20548957440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{486481}}^1$

素因数の和:486516

約数の個数: 144

約数和(自身を含む): 71594582976

約数和(自身を除く): 51045625536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 2112, 2640, 2816, 3520, 3840, 4224, 5280, 7040, 8448, 10560, 14080, 21120, 42240, 486481, 972962, 1459443, 1945924, 2432405, 2918886, 3891848, 4864810, 5351291, 5837772, 7297215, 7783696, 9729620, 10702582, 11675544, 14594430, 15567392, 16053873, 19459240, 21405164, 23351088, 26756455, 29188860, 31134784, 32107746, 38918480, 42810328, 46702176, 53512910, 58377720, 62269568, 64215492, 77836960, 80269365, 85620656, 93404352, 107025820, 116755440, 124539136, 128430984, 155673920, 160538730, 171241312, 186808704, 214051640, 233510880, 256861968, 311347840, 321077460, 342482624, 373617408, 428103280, 467021760, 513723936, 622695680, 642154920, 684965248, 856206560, 934043520, 1027447872, 1284309840, 1369930496, 1712413120, 1868087040, 2054895744, 2568619680, 3424826240, 4109791488, 5137239360, 6849652480, 10274478720, 20548957440]

約数ペア:

[(1, 20548957440), (2, 10274478720), (3, 6849652480), (4, 5137239360), (5, 4109791488), (6, 3424826240), (8, 2568619680), (10, 2054895744), (11, 1868087040), (12, 1712413120), (15, 1369930496), (16, 1284309840), (20, 1027447872), (22, 934043520), (24, 856206560), (30, 684965248), (32, 642154920), (33, 622695680), (40, 513723936), (44, 467021760), (48, 428103280), (55, 373617408), (60, 342482624), (64, 321077460), (66, 311347840), (80, 256861968), (88, 233510880), (96, 214051640), (110, 186808704), (120, 171241312), (128, 160538730), (132, 155673920), (160, 128430984), (165, 124539136), (176, 116755440), (192, 107025820), (220, 93404352), (240, 85620656), (256, 80269365), (264, 77836960), (320, 64215492), (330, 62269568), (352, 58377720), (384, 53512910), (440, 46702176), (480, 42810328), (528, 38918480), (640, 32107746), (660, 31134784), (704, 29188860), (768, 26756455), (880, 23351088), (960, 21405164), (1056, 19459240), (1280, 16053873), (1320, 15567392), (1408, 14594430), (1760, 11675544), (1920, 10702582), (2112, 9729620), (2640, 7783696), (2816, 7297215), (3520, 5837772), (3840, 5351291), (4224, 4864810), (5280, 3891848), (7040, 2918886), (8448, 2432405), (10560, 1945924), (14080, 1459443), (21120, 972962), (42240, 486481)]