18717728000

素因数分解:

$2^8\times 5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 288

約数和(自身を含む): 48712215552

約数和(自身を除く): 29994487552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 61, 64, 80, 86, 100, 122, 125, 128, 160, 172, 200, 215, 223, 244, 250, 256, 305, 320, 344, 400, 430, 446, 488, 500, 610, 640, 688, 800, 860, 892, 976, 1000, 1075, 1115, 1220, 1280, 1376, 1525, 1600, 1720, 1784, 1952, 2000, 2150, 2230, 2440, 2623, 2752, 3050, 3200, 3440, 3568, 3904, 4000, 4300, 4460, 4880, 5246, 5375, 5504, 5575, 6100, 6400, 6880, 7136, 7625, 7808, 8000, 8600, 8920, 9589, 9760, 10492, 10750, 11008, 11150, 12200, 13115, 13603, 13760, 14272, 15250, 15616, 16000, 17200, 17840, 19178, 19520, 20984, 21500, 22300, 24400, 26230, 27206, 27520, 27875, 28544, 30500, 32000, 34400, 35680, 38356, 39040, 41968, 43000, 44600, 47945, 48800, 52460, 54412, 55040, 55750, 57088, 61000, 65575, 68015, 68800, 71360, 76712, 78080, 83936, 86000, 89200, 95890, 97600, 104920, 108824, 111500, 122000, 131150, 136030, 137600, 142720, 153424, 167872, 172000, 178400, 191780, 195200, 209840, 217648, 223000, 239725, 244000, 262300, 272060, 275200, 285440, 306848, 327875, 335744, 340075, 344000, 356800, 383560, 390400, 419680, 435296, 446000, 479450, 488000, 524600, 544120, 584929, 613696, 655750, 671488, 680150, 688000, 713600, 767120, 839360, 870592, 892000, 958900, 976000, 1049200, 1088240, 1169858, 1198625, 1227392, 1311500, 1360300, 1376000, 1427200, 1534240, 1678720, 1700375, 1741184, 1784000, 1917800, 1952000, 2098400, 2176480, 2339716, 2397250, 2454784, 2623000, 2720600, 2924645, 3068480, 3357440, 3400750, 3482368, 3568000, 3835600, 4196800, 4352960, 4679432, 4794500, 5246000, 5441200, 5849290, 6136960, 6801500, 7136000, 7671200, 8393600, 8705920, 9358864, 9589000, 10492000, 10882400, 11698580, 12273920, 13603000, 14623225, 15342400, 16787200, 17411840, 18717728, 19178000, 20984000, 21764800, 23397160, 27206000, 29246450, 30684800, 37435456, 38356000, 41968000, 43529600, 46794320, 54412000, 58492900, 61369600, 73116125, 74870912, 76712000, 83936000, 87059200, 93588640, 108824000, 116985800, 146232250, 149741824, 153424000, 187177280, 217648000, 233971600, 292464500, 306848000, 374354560, 435296000, 467943200, 584929000, 748709120, 935886400, 1169858000, 1871772800, 2339716000, 3743545600, 4679432000, 9358864000, 18717728000]

約数ペア:

[(1, 18717728000), (2, 9358864000), (4, 4679432000), (5, 3743545600), (8, 2339716000), (10, 1871772800), (16, 1169858000), (20, 935886400), (25, 748709120), (32, 584929000), (40, 467943200), (43, 435296000), (50, 374354560), (61, 306848000), (64, 292464500), (80, 233971600), (86, 217648000), (100, 187177280), (122, 153424000), (125, 149741824), (128, 146232250), (160, 116985800), (172, 108824000), (200, 93588640), (215, 87059200), (223, 83936000), (244, 76712000), (250, 74870912), (256, 73116125), (305, 61369600), (320, 58492900), (344, 54412000), (400, 46794320), (430, 43529600), (446, 41968000), (488, 38356000), (500, 37435456), (610, 30684800), (640, 29246450), (688, 27206000), (800, 23397160), (860, 21764800), (892, 20984000), (976, 19178000), (1000, 18717728), (1075, 17411840), (1115, 16787200), (1220, 15342400), (1280, 14623225), (1376, 13603000), (1525, 12273920), (1600, 11698580), (1720, 10882400), (1784, 10492000), (1952, 9589000), (2000, 9358864), (2150, 8705920), (2230, 8393600), (2440, 7671200), (2623, 7136000), (2752, 6801500), (3050, 6136960), (3200, 5849290), (3440, 5441200), (3568, 5246000), (3904, 4794500), (4000, 4679432), (4300, 4352960), (4460, 4196800), (4880, 3835600), (5246, 3568000), (5375, 3482368), (5504, 3400750), (5575, 3357440), (6100, 3068480), (6400, 2924645), (6880, 2720600), (7136, 2623000), (7625, 2454784), (7808, 2397250), (8000, 2339716), (8600, 2176480), (8920, 2098400), (9589, 1952000), (9760, 1917800), (10492, 1784000), (10750, 1741184), (11008, 1700375), (11150, 1678720), (12200, 1534240), (13115, 1427200), (13603, 1376000), (13760, 1360300), (14272, 1311500), (15250, 1227392), (15616, 1198625), (16000, 1169858), (17200, 1088240), (17840, 1049200), (19178, 976000), (19520, 958900), (20984, 892000), (21500, 870592), (22300, 839360), (24400, 767120), (26230, 713600), (27206, 688000), (27520, 680150), (27875, 671488), (28544, 655750), (30500, 613696), (32000, 584929), (34400, 544120), (35680, 524600), (38356, 488000), (39040, 479450), (41968, 446000), (43000, 435296), (44600, 419680), (47945, 390400), (48800, 383560), (52460, 356800), (54412, 344000), (55040, 340075), (55750, 335744), (57088, 327875), (61000, 306848), (65575, 285440), (68015, 275200), (68800, 272060), (71360, 262300), (76712, 244000), (78080, 239725), (83936, 223000), (86000, 217648), (89200, 209840), (95890, 195200), (97600, 191780), (104920, 178400), (108824, 172000), (111500, 167872), (122000, 153424), (131150, 142720), (136030, 137600)]