7681960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 21772800

約数和(自身を除く): 14090840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 79, 85, 88, 104, 110, 130, 136, 143, 158, 170, 187, 220, 221, 260, 286, 316, 340, 374, 395, 440, 442, 520, 572, 632, 680, 715, 748, 790, 869, 884, 935, 1027, 1105, 1144, 1343, 1430, 1496, 1580, 1738, 1768, 1870, 2054, 2210, 2431, 2686, 2860, 3160, 3476, 3740, 4108, 4345, 4420, 4862, 5135, 5372, 5720, 6715, 6952, 7480, 8216, 8690, 8840, 9724, 10270, 10744, 11297, 12155, 13430, 14773, 17380, 17459, 19448, 20540, 22594, 24310, 26860, 29546, 34760, 34918, 41080, 45188, 48620, 53720, 56485, 59092, 69836, 73865, 87295, 90376, 97240, 112970, 118184, 139672, 147730, 174590, 192049, 225940, 295460, 349180, 384098, 451880, 590920, 698360, 768196, 960245, 1536392, 1920490, 3840980, 7681960]

約数ペア:

[(1, 7681960), (2, 3840980), (4, 1920490), (5, 1536392), (8, 960245), (10, 768196), (11, 698360), (13, 590920), (17, 451880), (20, 384098), (22, 349180), (26, 295460), (34, 225940), (40, 192049), (44, 174590), (52, 147730), (55, 139672), (65, 118184), (68, 112970), (79, 97240), (85, 90376), (88, 87295), (104, 73865), (110, 69836), (130, 59092), (136, 56485), (143, 53720), (158, 48620), (170, 45188), (187, 41080), (220, 34918), (221, 34760), (260, 29546), (286, 26860), (316, 24310), (340, 22594), (374, 20540), (395, 19448), (440, 17459), (442, 17380), (520, 14773), (572, 13430), (632, 12155), (680, 11297), (715, 10744), (748, 10270), (790, 9724), (869, 8840), (884, 8690), (935, 8216), (1027, 7480), (1105, 6952), (1144, 6715), (1343, 5720), (1430, 5372), (1496, 5135), (1580, 4862), (1738, 4420), (1768, 4345), (1870, 4108), (2054, 3740), (2210, 3476), (2431, 3160), (2686, 2860)]