19878348160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1261

約数の個数: 256

約数和(自身を含む): 54024667200

約数和(自身を除く): 34146319040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 61, 64, 80, 82, 88, 110, 122, 128, 160, 164, 176, 205, 220, 244, 305, 320, 328, 352, 410, 440, 451, 488, 610, 640, 656, 671, 704, 820, 880, 902, 976, 1129, 1220, 1312, 1342, 1408, 1640, 1760, 1804, 1952, 2255, 2258, 2440, 2501, 2624, 2684, 3280, 3355, 3520, 3608, 3904, 4510, 4516, 4880, 5002, 5248, 5368, 5645, 6560, 6710, 7040, 7216, 7808, 9020, 9032, 9760, 10004, 10736, 11290, 12419, 12505, 13120, 13420, 14432, 18040, 18064, 19520, 20008, 21472, 22580, 24838, 25010, 26240, 26840, 27511, 28864, 36080, 36128, 39040, 40016, 42944, 45160, 46289, 49676, 50020, 53680, 55022, 57728, 62095, 68869, 72160, 72256, 80032, 85888, 90320, 92578, 99352, 100040, 107360, 110044, 124190, 137555, 137738, 144320, 144512, 160064, 180640, 185156, 198704, 200080, 214720, 220088, 231445, 248380, 275110, 275476, 288640, 320128, 344345, 361280, 370312, 397408, 400160, 429440, 440176, 462890, 496760, 509179, 550220, 550952, 688690, 722560, 740624, 757559, 794816, 800320, 880352, 925780, 993520, 1018358, 1100440, 1101904, 1377380, 1481248, 1515118, 1589632, 1600640, 1760704, 1851560, 1987040, 2036716, 2200880, 2203808, 2545895, 2754760, 2823629, 2962496, 3030236, 3521408, 3703120, 3787795, 3974080, 4073432, 4401760, 4407616, 5091790, 5509520, 5647258, 5924992, 6060472, 7406240, 7575590, 7948160, 8146864, 8803520, 8815232, 10183580, 11019040, 11294516, 12120944, 14118145, 14812480, 15151180, 16293728, 17607040, 20367160, 22038080, 22589032, 24241888, 28236290, 29624960, 30302360, 31059919, 32587456, 40734320, 44076160, 45178064, 48483776, 56472580, 60604720, 62119838, 65174912, 81468640, 90356128, 96967552, 112945160, 121209440, 124239676, 155299595, 162937280, 180712256, 225890320, 242418880, 248479352, 310599190, 325874560, 361424512, 451780640, 484837760, 496958704, 621198380, 903561280, 993917408, 1242396760, 1807122560, 1987834816, 2484793520, 3975669632, 4969587040, 9939174080, 19878348160]

約数ペア:

[(1, 19878348160), (2, 9939174080), (4, 4969587040), (5, 3975669632), (8, 2484793520), (10, 1987834816), (11, 1807122560), (16, 1242396760), (20, 993917408), (22, 903561280), (32, 621198380), (40, 496958704), (41, 484837760), (44, 451780640), (55, 361424512), (61, 325874560), (64, 310599190), (80, 248479352), (82, 242418880), (88, 225890320), (110, 180712256), (122, 162937280), (128, 155299595), (160, 124239676), (164, 121209440), (176, 112945160), (205, 96967552), (220, 90356128), (244, 81468640), (305, 65174912), (320, 62119838), (328, 60604720), (352, 56472580), (410, 48483776), (440, 45178064), (451, 44076160), (488, 40734320), (610, 32587456), (640, 31059919), (656, 30302360), (671, 29624960), (704, 28236290), (820, 24241888), (880, 22589032), (902, 22038080), (976, 20367160), (1129, 17607040), (1220, 16293728), (1312, 15151180), (1342, 14812480), (1408, 14118145), (1640, 12120944), (1760, 11294516), (1804, 11019040), (1952, 10183580), (2255, 8815232), (2258, 8803520), (2440, 8146864), (2501, 7948160), (2624, 7575590), (2684, 7406240), (3280, 6060472), (3355, 5924992), (3520, 5647258), (3608, 5509520), (3904, 5091790), (4510, 4407616), (4516, 4401760), (4880, 4073432), (5002, 3974080), (5248, 3787795), (5368, 3703120), (5645, 3521408), (6560, 3030236), (6710, 2962496), (7040, 2823629), (7216, 2754760), (7808, 2545895), (9020, 2203808), (9032, 2200880), (9760, 2036716), (10004, 1987040), (10736, 1851560), (11290, 1760704), (12419, 1600640), (12505, 1589632), (13120, 1515118), (13420, 1481248), (14432, 1377380), (18040, 1101904), (18064, 1100440), (19520, 1018358), (20008, 993520), (21472, 925780), (22580, 880352), (24838, 800320), (25010, 794816), (26240, 757559), (26840, 740624), (27511, 722560), (28864, 688690), (36080, 550952), (36128, 550220), (39040, 509179), (40016, 496760), (42944, 462890), (45160, 440176), (46289, 429440), (49676, 400160), (50020, 397408), (53680, 370312), (55022, 361280), (57728, 344345), (62095, 320128), (68869, 288640), (72160, 275476), (72256, 275110), (80032, 248380), (85888, 231445), (90320, 220088), (92578, 214720), (99352, 200080), (100040, 198704), (107360, 185156), (110044, 180640), (124190, 160064), (137555, 144512), (137738, 144320)]