68508800

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 172012800

約数和(自身を除く): 103504000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 271, 316, 320, 395, 400, 542, 632, 640, 790, 800, 1084, 1264, 1355, 1580, 1600, 1975, 2168, 2528, 2710, 3160, 3200, 3950, 4336, 5056, 5420, 6320, 6775, 7900, 8672, 10112, 10840, 12640, 13550, 15800, 17344, 21409, 21680, 25280, 27100, 31600, 34688, 42818, 43360, 50560, 54200, 63200, 85636, 86720, 107045, 108400, 126400, 171272, 173440, 214090, 216800, 252800, 342544, 428180, 433600, 535225, 685088, 856360, 867200, 1070450, 1370176, 1712720, 2140900, 2740352, 3425440, 4281800, 6850880, 8563600, 13701760, 17127200, 34254400, 68508800]

約数ペア:

[(1, 68508800), (2, 34254400), (4, 17127200), (5, 13701760), (8, 8563600), (10, 6850880), (16, 4281800), (20, 3425440), (25, 2740352), (32, 2140900), (40, 1712720), (50, 1370176), (64, 1070450), (79, 867200), (80, 856360), (100, 685088), (128, 535225), (158, 433600), (160, 428180), (200, 342544), (271, 252800), (316, 216800), (320, 214090), (395, 173440), (400, 171272), (542, 126400), (632, 108400), (640, 107045), (790, 86720), (800, 85636), (1084, 63200), (1264, 54200), (1355, 50560), (1580, 43360), (1600, 42818), (1975, 34688), (2168, 31600), (2528, 27100), (2710, 25280), (3160, 21680), (3200, 21409), (3950, 17344), (4336, 15800), (5056, 13550), (5420, 12640), (6320, 10840), (6775, 10112), (7900, 8672)]