78895180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 207277056

約数和(自身を除く): 128381876

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 182, 260, 268, 335, 364, 455, 469, 647, 670, 871, 910, 938, 1294, 1340, 1742, 1820, 1876, 2345, 2588, 3235, 3484, 4355, 4529, 4690, 6097, 6470, 8411, 8710, 9058, 9380, 12194, 12940, 16822, 17420, 18116, 22645, 24388, 30485, 33644, 42055, 43349, 45290, 58877, 60970, 84110, 86698, 90580, 117754, 121940, 168220, 173396, 216745, 235508, 294385, 303443, 433490, 563537, 588770, 606886, 866980, 1127074, 1177540, 1213772, 1517215, 2254148, 2817685, 3034430, 3944759, 5635370, 6068860, 7889518, 11270740, 15779036, 19723795, 39447590, 78895180]

約数ペア:

[(1, 78895180), (2, 39447590), (4, 19723795), (5, 15779036), (7, 11270740), (10, 7889518), (13, 6068860), (14, 5635370), (20, 3944759), (26, 3034430), (28, 2817685), (35, 2254148), (52, 1517215), (65, 1213772), (67, 1177540), (70, 1127074), (91, 866980), (130, 606886), (134, 588770), (140, 563537), (182, 433490), (260, 303443), (268, 294385), (335, 235508), (364, 216745), (455, 173396), (469, 168220), (647, 121940), (670, 117754), (871, 90580), (910, 86698), (938, 84110), (1294, 60970), (1340, 58877), (1742, 45290), (1820, 43349), (1876, 42055), (2345, 33644), (2588, 30485), (3235, 24388), (3484, 22645), (4355, 18116), (4529, 17420), (4690, 16822), (6097, 12940), (6470, 12194), (8411, 9380), (8710, 9058)]