12907140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 38707200

約数和(自身を除く): 25800060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 199, 230, 235, 276, 282, 345, 398, 460, 470, 564, 597, 690, 705, 796, 940, 995, 1081, 1194, 1380, 1410, 1990, 2162, 2388, 2820, 2985, 3243, 3980, 4324, 4577, 5405, 5970, 6486, 9154, 9353, 10810, 11940, 12972, 13731, 16215, 18308, 18706, 21620, 22885, 27462, 28059, 32430, 37412, 45770, 46765, 54924, 56118, 64860, 68655, 91540, 93530, 112236, 137310, 140295, 187060, 215119, 274620, 280590, 430238, 561180, 645357, 860476, 1075595, 1290714, 2151190, 2581428, 3226785, 4302380, 6453570, 12907140]

約数ペア:

[(1, 12907140), (2, 6453570), (3, 4302380), (4, 3226785), (5, 2581428), (6, 2151190), (10, 1290714), (12, 1075595), (15, 860476), (20, 645357), (23, 561180), (30, 430238), (46, 280590), (47, 274620), (60, 215119), (69, 187060), (92, 140295), (94, 137310), (115, 112236), (138, 93530), (141, 91540), (188, 68655), (199, 64860), (230, 56118), (235, 54924), (276, 46765), (282, 45770), (345, 37412), (398, 32430), (460, 28059), (470, 27462), (564, 22885), (597, 21620), (690, 18706), (705, 18308), (796, 16215), (940, 13731), (995, 12972), (1081, 11940), (1194, 10810), (1380, 9353), (1410, 9154), (1990, 6486), (2162, 5970), (2388, 5405), (2820, 4577), (2985, 4324), (3243, 3980)]