1768291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{22717}}^1$

素因数の和:22876

約数の個数: 80

約数和(自身を含む): 4732613760

約数和(自身を除く): 2964322480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 4865, 5560, 7784, 9730, 11120, 15568, 19460, 22717, 38920, 45434, 77840, 90868, 113585, 159019, 181736, 227170, 318038, 363472, 454340, 636076, 795095, 908680, 1272152, 1590190, 1817360, 2544304, 3157663, 3180380, 6315326, 6360760, 12630652, 12721520, 15788315, 22103641, 25261304, 31576630, 44207282, 50522608, 63153260, 88414564, 110518205, 126306520, 176829128, 221036410, 252613040, 353658256, 442072820, 884145640, 1768291280]

約数ペア:

[(1, 1768291280), (2, 884145640), (4, 442072820), (5, 353658256), (7, 252613040), (8, 221036410), (10, 176829128), (14, 126306520), (16, 110518205), (20, 88414564), (28, 63153260), (35, 50522608), (40, 44207282), (56, 31576630), (70, 25261304), (80, 22103641), (112, 15788315), (139, 12721520), (140, 12630652), (278, 6360760), (280, 6315326), (556, 3180380), (560, 3157663), (695, 2544304), (973, 1817360), (1112, 1590190), (1390, 1272152), (1946, 908680), (2224, 795095), (2780, 636076), (3892, 454340), (4865, 363472), (5560, 318038), (7784, 227170), (9730, 181736), (11120, 159019), (15568, 113585), (19460, 90868), (22717, 77840), (38920, 45434)]