15696252520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1\times {\mathrm{547}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 38473545600

約数和(自身を除く): 22777293080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 397, 520, 547, 556, 695, 794, 1094, 1112, 1390, 1588, 1807, 1985, 2188, 2735, 2780, 3176, 3614, 3970, 4376, 5161, 5470, 5560, 7111, 7228, 7940, 9035, 10322, 10940, 14222, 14456, 15880, 18070, 20644, 21880, 25805, 28444, 35555, 36140, 41288, 51610, 55183, 56888, 71110, 72280, 76033, 103220, 110366, 142220, 152066, 206440, 217159, 220732, 275915, 284440, 304132, 380165, 434318, 441464, 551830, 608264, 717379, 760330, 868636, 988429, 1085795, 1103660, 1434758, 1520660, 1737272, 1976858, 2171590, 2207320, 2823067, 2869516, 3041320, 3586895, 3953716, 4343180, 4942145, 5646134, 5739032, 7173790, 7907432, 8686360, 9884290, 11292268, 14115335, 14347580, 19768580, 22584536, 28230670, 28695160, 30185101, 39537160, 56461340, 60370202, 112922680, 120740404, 150925505, 241480808, 301851010, 392406313, 603702020, 784812626, 1207404040, 1569625252, 1962031565, 3139250504, 3924063130, 7848126260, 15696252520]

約数ペア:

[(1, 15696252520), (2, 7848126260), (4, 3924063130), (5, 3139250504), (8, 1962031565), (10, 1569625252), (13, 1207404040), (20, 784812626), (26, 603702020), (40, 392406313), (52, 301851010), (65, 241480808), (104, 150925505), (130, 120740404), (139, 112922680), (260, 60370202), (278, 56461340), (397, 39537160), (520, 30185101), (547, 28695160), (556, 28230670), (695, 22584536), (794, 19768580), (1094, 14347580), (1112, 14115335), (1390, 11292268), (1588, 9884290), (1807, 8686360), (1985, 7907432), (2188, 7173790), (2735, 5739032), (2780, 5646134), (3176, 4942145), (3614, 4343180), (3970, 3953716), (4376, 3586895), (5161, 3041320), (5470, 2869516), (5560, 2823067), (7111, 2207320), (7228, 2171590), (7940, 1976858), (9035, 1737272), (10322, 1520660), (10940, 1434758), (14222, 1103660), (14456, 1085795), (15880, 988429), (18070, 868636), (20644, 760330), (21880, 717379), (25805, 608264), (28444, 551830), (35555, 441464), (36140, 434318), (41288, 380165), (51610, 304132), (55183, 284440), (56888, 275915), (71110, 220732), (72280, 217159), (76033, 206440), (103220, 152066), (110366, 142220)]