21991040160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9787

約数の個数: 192

約数和(自身を含む): 71303307264

約数和(自身を除く): 49312267104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 71, 80, 96, 120, 134, 142, 160, 201, 213, 240, 268, 284, 335, 355, 402, 426, 480, 536, 568, 670, 710, 804, 852, 1005, 1065, 1072, 1136, 1340, 1420, 1608, 1704, 2010, 2130, 2144, 2272, 2680, 2840, 3216, 3408, 4020, 4260, 4757, 5360, 5680, 6432, 6816, 8040, 8520, 9514, 9631, 10720, 11360, 14271, 16080, 17040, 19028, 19262, 23785, 28542, 28893, 32160, 34080, 38056, 38524, 47570, 48155, 57084, 57786, 71355, 76112, 77048, 95140, 96310, 114168, 115572, 142710, 144465, 152224, 154096, 190280, 192620, 228336, 231144, 285420, 288930, 308192, 380560, 385240, 456672, 462288, 570840, 577860, 645277, 683801, 761120, 770480, 924576, 1141680, 1155720, 1290554, 1367602, 1540960, 1935831, 2051403, 2283360, 2311440, 2581108, 2735204, 3226385, 3419005, 3871662, 4102806, 4622880, 5162216, 5470408, 6452770, 6838010, 7743324, 8205612, 9679155, 10257015, 10324432, 10940816, 12905540, 13676020, 15486648, 16411224, 19358310, 20514030, 20648864, 21881632, 25811080, 27352040, 30973296, 32822448, 38716620, 41028060, 45814667, 51622160, 54704080, 61946592, 65644896, 77433240, 82056120, 91629334, 103244320, 109408160, 137444001, 154866480, 164112240, 183258668, 229073335, 274888002, 309732960, 328224480, 366517336, 458146670, 549776004, 687220005, 733034672, 916293340, 1099552008, 1374440010, 1466069344, 1832586680, 2199104016, 2748880020, 3665173360, 4398208032, 5497760040, 7330346720, 10995520080, 21991040160]

約数ペア:

[(1, 21991040160), (2, 10995520080), (3, 7330346720), (4, 5497760040), (5, 4398208032), (6, 3665173360), (8, 2748880020), (10, 2199104016), (12, 1832586680), (15, 1466069344), (16, 1374440010), (20, 1099552008), (24, 916293340), (30, 733034672), (32, 687220005), (40, 549776004), (48, 458146670), (60, 366517336), (67, 328224480), (71, 309732960), (80, 274888002), (96, 229073335), (120, 183258668), (134, 164112240), (142, 154866480), (160, 137444001), (201, 109408160), (213, 103244320), (240, 91629334), (268, 82056120), (284, 77433240), (335, 65644896), (355, 61946592), (402, 54704080), (426, 51622160), (480, 45814667), (536, 41028060), (568, 38716620), (670, 32822448), (710, 30973296), (804, 27352040), (852, 25811080), (1005, 21881632), (1065, 20648864), (1072, 20514030), (1136, 19358310), (1340, 16411224), (1420, 15486648), (1608, 13676020), (1704, 12905540), (2010, 10940816), (2130, 10324432), (2144, 10257015), (2272, 9679155), (2680, 8205612), (2840, 7743324), (3216, 6838010), (3408, 6452770), (4020, 5470408), (4260, 5162216), (4757, 4622880), (5360, 4102806), (5680, 3871662), (6432, 3419005), (6816, 3226385), (8040, 2735204), (8520, 2581108), (9514, 2311440), (9631, 2283360), (10720, 2051403), (11360, 1935831), (14271, 1540960), (16080, 1367602), (17040, 1290554), (19028, 1155720), (19262, 1141680), (23785, 924576), (28542, 770480), (28893, 761120), (32160, 683801), (34080, 645277), (38056, 577860), (38524, 570840), (47570, 462288), (48155, 456672), (57084, 385240), (57786, 380560), (71355, 308192), (76112, 288930), (77048, 285420), (95140, 231144), (96310, 228336), (114168, 192620), (115572, 190280), (142710, 154096), (144465, 152224)]