219395680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 627056640

約数和(自身を除く): 407660960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 71, 80, 89, 112, 124, 140, 142, 155, 160, 178, 217, 224, 248, 280, 284, 310, 355, 356, 434, 445, 496, 497, 560, 568, 620, 623, 710, 712, 868, 890, 992, 994, 1085, 1120, 1136, 1240, 1246, 1420, 1424, 1736, 1780, 1988, 2170, 2201, 2272, 2480, 2485, 2492, 2759, 2840, 2848, 3115, 3472, 3560, 3976, 4340, 4402, 4960, 4970, 4984, 5518, 5680, 6230, 6319, 6944, 7120, 7952, 8680, 8804, 9940, 9968, 11005, 11036, 11360, 12460, 12638, 13795, 14240, 15407, 15904, 17360, 17608, 19313, 19880, 19936, 22010, 22072, 24920, 25276, 27590, 30814, 31595, 34720, 35216, 38626, 39760, 44020, 44144, 44233, 49840, 50552, 55180, 61628, 63190, 70432, 77035, 77252, 79520, 88040, 88288, 88466, 96565, 99680, 101104, 110360, 123256, 126380, 154070, 154504, 176080, 176932, 193130, 195889, 202208, 220720, 221165, 246512, 252760, 308140, 309008, 352160, 353864, 386260, 391778, 441440, 442330, 493024, 505520, 616280, 618016, 707728, 772520, 783556, 884660, 979445, 1011040, 1232560, 1371223, 1415456, 1545040, 1567112, 1769320, 1958890, 2465120, 2742446, 3090080, 3134224, 3538640, 3917780, 5484892, 6268448, 6856115, 7077280, 7835560, 10969784, 13712230, 15671120, 21939568, 27424460, 31342240, 43879136, 54848920, 109697840, 219395680]

約数ペア:

[(1, 219395680), (2, 109697840), (4, 54848920), (5, 43879136), (7, 31342240), (8, 27424460), (10, 21939568), (14, 15671120), (16, 13712230), (20, 10969784), (28, 7835560), (31, 7077280), (32, 6856115), (35, 6268448), (40, 5484892), (56, 3917780), (62, 3538640), (70, 3134224), (71, 3090080), (80, 2742446), (89, 2465120), (112, 1958890), (124, 1769320), (140, 1567112), (142, 1545040), (155, 1415456), (160, 1371223), (178, 1232560), (217, 1011040), (224, 979445), (248, 884660), (280, 783556), (284, 772520), (310, 707728), (355, 618016), (356, 616280), (434, 505520), (445, 493024), (496, 442330), (497, 441440), (560, 391778), (568, 386260), (620, 353864), (623, 352160), (710, 309008), (712, 308140), (868, 252760), (890, 246512), (992, 221165), (994, 220720), (1085, 202208), (1120, 195889), (1136, 193130), (1240, 176932), (1246, 176080), (1420, 154504), (1424, 154070), (1736, 126380), (1780, 123256), (1988, 110360), (2170, 101104), (2201, 99680), (2272, 96565), (2480, 88466), (2485, 88288), (2492, 88040), (2759, 79520), (2840, 77252), (2848, 77035), (3115, 70432), (3472, 63190), (3560, 61628), (3976, 55180), (4340, 50552), (4402, 49840), (4960, 44233), (4970, 44144), (4984, 44020), (5518, 39760), (5680, 38626), (6230, 35216), (6319, 34720), (6944, 31595), (7120, 30814), (7952, 27590), (8680, 25276), (8804, 24920), (9940, 22072), (9968, 22010), (11005, 19936), (11036, 19880), (11360, 19313), (12460, 17608), (12638, 17360), (13795, 15904), (14240, 15407)]