289128420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 240

約数和(自身を含む): 1054072320

約数和(自身を除く): 764943900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 223, 245, 252, 270, 294, 315, 343, 378, 420, 441, 446, 490, 540, 588, 630, 669, 686, 735, 756, 882, 892, 945, 980, 1029, 1115, 1260, 1323, 1338, 1372, 1470, 1561, 1715, 1764, 1890, 2007, 2058, 2205, 2230, 2401, 2646, 2676, 2940, 3087, 3122, 3345, 3430, 3780, 4014, 4116, 4410, 4460, 4683, 4802, 5145, 5292, 6021, 6174, 6244, 6615, 6690, 6860, 7203, 7805, 8028, 8820, 9261, 9366, 9604, 10035, 10290, 10927, 12005, 12042, 12348, 13230, 13380, 14049, 14406, 15435, 15610, 18522, 18732, 20070, 20580, 21609, 21854, 23415, 24010, 24084, 26460, 28098, 28812, 30105, 30870, 31220, 32781, 36015, 37044, 40140, 42147, 43218, 43708, 46305, 46830, 48020, 54635, 56196, 60210, 61740, 64827, 65562, 70245, 72030, 76489, 84294, 86436, 92610, 93660, 98343, 108045, 109270, 120420, 129654, 131124, 140490, 144060, 152978, 163905, 168588, 185220, 196686, 210735, 216090, 218540, 229467, 259308, 280980, 295029, 305956, 324135, 327810, 382445, 393372, 421470, 432180, 458934, 491715, 535423, 590058, 648270, 655620, 688401, 764890, 842940, 917868, 983430, 1070846, 1147335, 1180116, 1296540, 1376802, 1475145, 1529780, 1606269, 1966860, 2065203, 2141692, 2294670, 2677115, 2753604, 2950290, 3212538, 3442005, 4130406, 4589340, 4818807, 5354230, 5900580, 6425076, 6884010, 8031345, 8260812, 9637614, 10326015, 10708460, 13768020, 14456421, 16062690, 19275228, 20652030, 24094035, 28912842, 32125380, 41304060, 48188070, 57825684, 72282105, 96376140, 144564210, 289128420]

約数ペア:

[(1, 289128420), (2, 144564210), (3, 96376140), (4, 72282105), (5, 57825684), (6, 48188070), (7, 41304060), (9, 32125380), (10, 28912842), (12, 24094035), (14, 20652030), (15, 19275228), (18, 16062690), (20, 14456421), (21, 13768020), (27, 10708460), (28, 10326015), (30, 9637614), (35, 8260812), (36, 8031345), (42, 6884010), (45, 6425076), (49, 5900580), (54, 5354230), (60, 4818807), (63, 4589340), (70, 4130406), (84, 3442005), (90, 3212538), (98, 2950290), (105, 2753604), (108, 2677115), (126, 2294670), (135, 2141692), (140, 2065203), (147, 1966860), (180, 1606269), (189, 1529780), (196, 1475145), (210, 1376802), (223, 1296540), (245, 1180116), (252, 1147335), (270, 1070846), (294, 983430), (315, 917868), (343, 842940), (378, 764890), (420, 688401), (441, 655620), (446, 648270), (490, 590058), (540, 535423), (588, 491715), (630, 458934), (669, 432180), (686, 421470), (735, 393372), (756, 382445), (882, 327810), (892, 324135), (945, 305956), (980, 295029), (1029, 280980), (1115, 259308), (1260, 229467), (1323, 218540), (1338, 216090), (1372, 210735), (1470, 196686), (1561, 185220), (1715, 168588), (1764, 163905), (1890, 152978), (2007, 144060), (2058, 140490), (2205, 131124), (2230, 129654), (2401, 120420), (2646, 109270), (2676, 108045), (2940, 98343), (3087, 93660), (3122, 92610), (3345, 86436), (3430, 84294), (3780, 76489), (4014, 72030), (4116, 70245), (4410, 65562), (4460, 64827), (4683, 61740), (4802, 60210), (5145, 56196), (5292, 54635), (6021, 48020), (6174, 46830), (6244, 46305), (6615, 43708), (6690, 43218), (6860, 42147), (7203, 40140), (7805, 37044), (8028, 36015), (8820, 32781), (9261, 31220), (9366, 30870), (9604, 30105), (10035, 28812), (10290, 28098), (10927, 26460), (12005, 24084), (12042, 24010), (12348, 23415), (13230, 21854), (13380, 21609), (14049, 20580), (14406, 20070), (15435, 18732), (15610, 18522)]