15615907986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{751}}^1$

素因数の和:1220

約数の個数: 128

約数和(自身を含む): 38255984640

約数和(自身を除く): 22640076654

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 367, 399, 426, 497, 734, 751, 798, 994, 1101, 1349, 1491, 1502, 2202, 2253, 2569, 2698, 2982, 4047, 4506, 5138, 5257, 6973, 7707, 8094, 9443, 10514, 13946, 14269, 15414, 15771, 18886, 20919, 26057, 28329, 28538, 31542, 41838, 42807, 48811, 52114, 53321, 56658, 78171, 85614, 97622, 99883, 106642, 146433, 156342, 159963, 182399, 199766, 275617, 292866, 299649, 319926, 364798, 373247, 495083, 547197, 551234, 599298, 746494, 826851, 990166, 1013099, 1094394, 1119741, 1485249, 1653702, 1929319, 2026198, 2239482, 2970498, 3039297, 3465581, 3858638, 5236723, 5787957, 6078594, 6931162, 7091693, 10396743, 10473446, 11575914, 14183386, 15710169, 19568807, 20793486, 21275079, 31420338, 36657061, 39137614, 42550158, 58706421, 73314122, 109971183, 117412842, 136981649, 219942366, 273963298, 371807333, 410944947, 743614666, 821889894, 1115421999, 2230843998, 2602651331, 5205302662, 7807953993, 15615907986]

約数ペア:

[(1, 15615907986), (2, 7807953993), (3, 5205302662), (6, 2602651331), (7, 2230843998), (14, 1115421999), (19, 821889894), (21, 743614666), (38, 410944947), (42, 371807333), (57, 273963298), (71, 219942366), (114, 136981649), (133, 117412842), (142, 109971183), (213, 73314122), (266, 58706421), (367, 42550158), (399, 39137614), (426, 36657061), (497, 31420338), (734, 21275079), (751, 20793486), (798, 19568807), (994, 15710169), (1101, 14183386), (1349, 11575914), (1491, 10473446), (1502, 10396743), (2202, 7091693), (2253, 6931162), (2569, 6078594), (2698, 5787957), (2982, 5236723), (4047, 3858638), (4506, 3465581), (5138, 3039297), (5257, 2970498), (6973, 2239482), (7707, 2026198), (8094, 1929319), (9443, 1653702), (10514, 1485249), (13946, 1119741), (14269, 1094394), (15414, 1013099), (15771, 990166), (18886, 826851), (20919, 746494), (26057, 599298), (28329, 551234), (28538, 547197), (31542, 495083), (41838, 373247), (42807, 364798), (48811, 319926), (52114, 299649), (53321, 292866), (56658, 275617), (78171, 199766), (85614, 182399), (97622, 159963), (99883, 156342), (106642, 146433)]