1288260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 4147416

約数和(自身を除く): 2859156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 421, 510, 612, 765, 842, 1020, 1263, 1530, 1684, 2105, 2526, 3060, 3789, 4210, 5052, 6315, 7157, 7578, 8420, 12630, 14314, 15156, 18945, 21471, 25260, 28628, 35785, 37890, 42942, 64413, 71570, 75780, 85884, 107355, 128826, 143140, 214710, 257652, 322065, 429420, 644130, 1288260]

約数ペア:

[(1, 1288260), (2, 644130), (3, 429420), (4, 322065), (5, 257652), (6, 214710), (9, 143140), (10, 128826), (12, 107355), (15, 85884), (17, 75780), (18, 71570), (20, 64413), (30, 42942), (34, 37890), (36, 35785), (45, 28628), (51, 25260), (60, 21471), (68, 18945), (85, 15156), (90, 14314), (102, 12630), (153, 8420), (170, 7578), (180, 7157), (204, 6315), (255, 5052), (306, 4210), (340, 3789), (421, 3060), (510, 2526), (612, 2105), (765, 1684), (842, 1530), (1020, 1263)]