1208522240

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 160

約数和(自身を含む): 3014003520

約数和(自身を除く): 1805481280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 71, 80, 109, 122, 128, 142, 160, 218, 244, 256, 284, 305, 320, 355, 436, 488, 512, 545, 568, 610, 640, 710, 872, 976, 1090, 1136, 1220, 1280, 1420, 1744, 1952, 2180, 2272, 2440, 2560, 2840, 3488, 3904, 4331, 4360, 4544, 4880, 5680, 6649, 6976, 7739, 7808, 8662, 8720, 9088, 9760, 11360, 13298, 13952, 15478, 15616, 17324, 17440, 18176, 19520, 21655, 22720, 26596, 27904, 30956, 31232, 33245, 34648, 34880, 36352, 38695, 39040, 43310, 45440, 53192, 55808, 61912, 66490, 69296, 69760, 77390, 78080, 86620, 90880, 106384, 123824, 132980, 138592, 139520, 154780, 156160, 173240, 181760, 212768, 247648, 265960, 277184, 279040, 309560, 346480, 425536, 472079, 495296, 531920, 554368, 619120, 692960, 851072, 944158, 990592, 1063840, 1108736, 1238240, 1385920, 1702144, 1888316, 1981184, 2127680, 2217472, 2360395, 2476480, 2771840, 3404288, 3776632, 3962368, 4255360, 4720790, 4952960, 5543680, 7553264, 8510720, 9441580, 9905920, 11087360, 15106528, 17021440, 18883160, 19811840, 30213056, 37766320, 60426112, 75532640, 120852224, 151065280, 241704448, 302130560, 604261120, 1208522240]

約数ペア:

[(1, 1208522240), (2, 604261120), (4, 302130560), (5, 241704448), (8, 151065280), (10, 120852224), (16, 75532640), (20, 60426112), (32, 37766320), (40, 30213056), (61, 19811840), (64, 18883160), (71, 17021440), (80, 15106528), (109, 11087360), (122, 9905920), (128, 9441580), (142, 8510720), (160, 7553264), (218, 5543680), (244, 4952960), (256, 4720790), (284, 4255360), (305, 3962368), (320, 3776632), (355, 3404288), (436, 2771840), (488, 2476480), (512, 2360395), (545, 2217472), (568, 2127680), (610, 1981184), (640, 1888316), (710, 1702144), (872, 1385920), (976, 1238240), (1090, 1108736), (1136, 1063840), (1220, 990592), (1280, 944158), (1420, 851072), (1744, 692960), (1952, 619120), (2180, 554368), (2272, 531920), (2440, 495296), (2560, 472079), (2840, 425536), (3488, 346480), (3904, 309560), (4331, 279040), (4360, 277184), (4544, 265960), (4880, 247648), (5680, 212768), (6649, 181760), (6976, 173240), (7739, 156160), (7808, 154780), (8662, 139520), (8720, 138592), (9088, 132980), (9760, 123824), (11360, 106384), (13298, 90880), (13952, 86620), (15478, 78080), (15616, 77390), (17324, 69760), (17440, 69296), (18176, 66490), (19520, 61912), (21655, 55808), (22720, 53192), (26596, 45440), (27904, 43310), (30956, 39040), (31232, 38695), (33245, 36352), (34648, 34880)]