278330820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1625

約数の個数: 96

約数和(自身を含む): 819624960

約数和(自身を除く): 541294140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 230, 276, 278, 345, 417, 460, 556, 690, 695, 834, 1380, 1390, 1451, 1668, 2085, 2780, 2902, 3197, 4170, 4353, 5804, 6394, 7255, 8340, 8706, 9591, 12788, 14510, 15985, 17412, 19182, 21765, 29020, 31970, 33373, 38364, 43530, 47955, 63940, 66746, 87060, 95910, 100119, 133492, 166865, 191820, 200238, 201689, 333730, 400476, 403378, 500595, 605067, 667460, 806756, 1001190, 1008445, 1210134, 2002380, 2016890, 2420268, 3025335, 4033780, 4638847, 6050670, 9277694, 12101340, 13916541, 18555388, 23194235, 27833082, 46388470, 55666164, 69582705, 92776940, 139165410, 278330820]

約数ペア:

[(1, 278330820), (2, 139165410), (3, 92776940), (4, 69582705), (5, 55666164), (6, 46388470), (10, 27833082), (12, 23194235), (15, 18555388), (20, 13916541), (23, 12101340), (30, 9277694), (46, 6050670), (60, 4638847), (69, 4033780), (92, 3025335), (115, 2420268), (138, 2016890), (139, 2002380), (230, 1210134), (276, 1008445), (278, 1001190), (345, 806756), (417, 667460), (460, 605067), (556, 500595), (690, 403378), (695, 400476), (834, 333730), (1380, 201689), (1390, 200238), (1451, 191820), (1668, 166865), (2085, 133492), (2780, 100119), (2902, 95910), (3197, 87060), (4170, 66746), (4353, 63940), (5804, 47955), (6394, 43530), (7255, 38364), (8340, 33373), (8706, 31970), (9591, 29020), (12788, 21765), (14510, 19182), (15985, 17412)]