1220642640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5153}}^1$

素因数の和:5226

約数の個数: 240

約数和(自身を含む): 4785550848

約数和(自身を除く): 3564908208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1880, 1974, 2115, 2256, 2520, 2632, 2820, 2961, 3290, 3384, 3760, 3948, 4230, 4935, 5040, 5153, 5264, 5640, 5922, 6580, 6768, 7896, 8460, 9870, 10306, 11280, 11844, 13160, 14805, 15459, 15792, 16920, 19740, 20612, 23688, 25765, 26320, 29610, 30918, 33840, 36071, 39480, 41224, 46377, 47376, 51530, 59220, 61836, 72142, 77295, 78960, 82448, 92754, 103060, 108213, 118440, 123672, 144284, 154590, 180355, 185508, 206120, 216426, 231885, 236880, 242191, 247344, 288568, 309180, 324639, 360710, 371016, 412240, 432852, 463770, 484382, 541065, 577136, 618360, 649278, 721420, 726573, 742032, 865704, 927540, 968764, 1082130, 1210955, 1236720, 1298556, 1442840, 1453146, 1623195, 1695337, 1731408, 1855080, 1937528, 2164260, 2179719, 2421910, 2597112, 2885680, 2906292, 3246390, 3390674, 3632865, 3710160, 3875056, 4328520, 4359438, 4843820, 5086011, 5194224, 5812584, 6492780, 6781348, 7265730, 8476685, 8657040, 8718876, 9687640, 10172022, 10898595, 11625168, 12985560, 13562696, 14531460, 15258033, 16953370, 17437752, 19375280, 20344044, 21797190, 25430055, 25971120, 27125392, 29062920, 30516066, 33906740, 34875504, 40688088, 43594380, 50860110, 58125840, 61032132, 67813480, 76290165, 81376176, 87188760, 101720220, 122064264, 135626960, 152580330, 174377520, 203440440, 244128528, 305160660, 406880880, 610321320, 1220642640]

約数ペア:

[(1, 1220642640), (2, 610321320), (3, 406880880), (4, 305160660), (5, 244128528), (6, 203440440), (7, 174377520), (8, 152580330), (9, 135626960), (10, 122064264), (12, 101720220), (14, 87188760), (15, 81376176), (16, 76290165), (18, 67813480), (20, 61032132), (21, 58125840), (24, 50860110), (28, 43594380), (30, 40688088), (35, 34875504), (36, 33906740), (40, 30516066), (42, 29062920), (45, 27125392), (47, 25971120), (48, 25430055), (56, 21797190), (60, 20344044), (63, 19375280), (70, 17437752), (72, 16953370), (80, 15258033), (84, 14531460), (90, 13562696), (94, 12985560), (105, 11625168), (112, 10898595), (120, 10172022), (126, 9687640), (140, 8718876), (141, 8657040), (144, 8476685), (168, 7265730), (180, 6781348), (188, 6492780), (210, 5812584), (235, 5194224), (240, 5086011), (252, 4843820), (280, 4359438), (282, 4328520), (315, 3875056), (329, 3710160), (336, 3632865), (360, 3390674), (376, 3246390), (420, 2906292), (423, 2885680), (470, 2597112), (504, 2421910), (560, 2179719), (564, 2164260), (630, 1937528), (658, 1855080), (705, 1731408), (720, 1695337), (752, 1623195), (840, 1453146), (846, 1442840), (940, 1298556), (987, 1236720), (1008, 1210955), (1128, 1082130), (1260, 968764), (1316, 927540), (1410, 865704), (1645, 742032), (1680, 726573), (1692, 721420), (1880, 649278), (1974, 618360), (2115, 577136), (2256, 541065), (2520, 484382), (2632, 463770), (2820, 432852), (2961, 412240), (3290, 371016), (3384, 360710), (3760, 324639), (3948, 309180), (4230, 288568), (4935, 247344), (5040, 242191), (5153, 236880), (5264, 231885), (5640, 216426), (5922, 206120), (6580, 185508), (6768, 180355), (7896, 154590), (8460, 144284), (9870, 123672), (10306, 118440), (11280, 108213), (11844, 103060), (13160, 92754), (14805, 82448), (15459, 78960), (15792, 77295), (16920, 72142), (19740, 61836), (20612, 59220), (23688, 51530), (25765, 47376), (26320, 46377), (29610, 41224), (30918, 39480), (33840, 36071)]