82742720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 112

約数和(自身を含む): 214579200

約数和(自身を除く): 131836480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 439, 496, 589, 608, 620, 760, 878, 992, 1178, 1216, 1240, 1520, 1756, 1984, 2195, 2356, 2480, 2945, 3040, 3512, 4390, 4712, 4960, 5890, 6080, 7024, 8341, 8780, 9424, 9920, 11780, 13609, 14048, 16682, 17560, 18848, 23560, 27218, 28096, 33364, 35120, 37696, 41705, 47120, 54436, 66728, 68045, 70240, 83410, 94240, 108872, 133456, 136090, 140480, 166820, 188480, 217744, 258571, 266912, 272180, 333640, 435488, 517142, 533824, 544360, 667280, 870976, 1034284, 1088720, 1292855, 1334560, 2068568, 2177440, 2585710, 2669120, 4137136, 4354880, 5171420, 8274272, 10342840, 16548544, 20685680, 41371360, 82742720]

約数ペア:

[(1, 82742720), (2, 41371360), (4, 20685680), (5, 16548544), (8, 10342840), (10, 8274272), (16, 5171420), (19, 4354880), (20, 4137136), (31, 2669120), (32, 2585710), (38, 2177440), (40, 2068568), (62, 1334560), (64, 1292855), (76, 1088720), (80, 1034284), (95, 870976), (124, 667280), (152, 544360), (155, 533824), (160, 517142), (190, 435488), (248, 333640), (304, 272180), (310, 266912), (320, 258571), (380, 217744), (439, 188480), (496, 166820), (589, 140480), (608, 136090), (620, 133456), (760, 108872), (878, 94240), (992, 83410), (1178, 70240), (1216, 68045), (1240, 66728), (1520, 54436), (1756, 47120), (1984, 41705), (2195, 37696), (2356, 35120), (2480, 33364), (2945, 28096), (3040, 27218), (3512, 23560), (4390, 18848), (4712, 17560), (4960, 16682), (5890, 14048), (6080, 13609), (7024, 11780), (8341, 9920), (8780, 9424)]