15205890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 45527040

約数和(自身を除く): 30321150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 103, 105, 111, 114, 133, 185, 190, 206, 210, 222, 259, 266, 285, 309, 370, 399, 515, 518, 555, 570, 618, 665, 703, 721, 777, 798, 1030, 1110, 1295, 1330, 1406, 1442, 1545, 1554, 1957, 1995, 2109, 2163, 2590, 3090, 3515, 3605, 3811, 3885, 3914, 3990, 4218, 4326, 4921, 5871, 7030, 7210, 7622, 7770, 9785, 9842, 10545, 10815, 11433, 11742, 13699, 14763, 19055, 19570, 21090, 21630, 22866, 24605, 26677, 27398, 29355, 29526, 38110, 41097, 49210, 53354, 57165, 58710, 68495, 72409, 73815, 80031, 82194, 114330, 133385, 136990, 144818, 147630, 160062, 205485, 217227, 266770, 362045, 400155, 410970, 434454, 506863, 724090, 800310, 1013726, 1086135, 1520589, 2172270, 2534315, 3041178, 5068630, 7602945, 15205890]

約数ペア:

[(1, 15205890), (2, 7602945), (3, 5068630), (5, 3041178), (6, 2534315), (7, 2172270), (10, 1520589), (14, 1086135), (15, 1013726), (19, 800310), (21, 724090), (30, 506863), (35, 434454), (37, 410970), (38, 400155), (42, 362045), (57, 266770), (70, 217227), (74, 205485), (95, 160062), (103, 147630), (105, 144818), (111, 136990), (114, 133385), (133, 114330), (185, 82194), (190, 80031), (206, 73815), (210, 72409), (222, 68495), (259, 58710), (266, 57165), (285, 53354), (309, 49210), (370, 41097), (399, 38110), (515, 29526), (518, 29355), (555, 27398), (570, 26677), (618, 24605), (665, 22866), (703, 21630), (721, 21090), (777, 19570), (798, 19055), (1030, 14763), (1110, 13699), (1295, 11742), (1330, 11433), (1406, 10815), (1442, 10545), (1545, 9842), (1554, 9785), (1957, 7770), (1995, 7622), (2109, 7210), (2163, 7030), (2590, 5871), (3090, 4921), (3515, 4326), (3605, 4218), (3811, 3990), (3885, 3914)]