261192420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5021}}^1$

素因数の和:5070

約数の個数: 108

約数和(自身を含む): 841797684

約数和(自身を除く): 580605264

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, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5021, 5202, 5780, 8670, 10042, 10404, 13005, 15063, 17340, 20084, 25105, 26010, 30126, 45189, 50210, 52020, 60252, 75315, 85357, 90378, 100420, 150630, 170714, 180756, 225945, 256071, 301260, 341428, 426785, 451890, 512142, 768213, 853570, 903780, 1024284, 1280355, 1451069, 1536426, 1707140, 2560710, 2902138, 3072852, 3841065, 4353207, 5121420, 5804276, 7255345, 7682130, 8706414, 13059621, 14510690, 15364260, 17412828, 21766035, 26119242, 29021380, 43532070, 52238484, 65298105, 87064140, 130596210, 261192420]

約数ペア:

[(1, 261192420), (2, 130596210), (3, 87064140), (4, 65298105), (5, 52238484), (6, 43532070), (9, 29021380), (10, 26119242), (12, 21766035), (15, 17412828), (17, 15364260), (18, 14510690), (20, 13059621), (30, 8706414), (34, 7682130), (36, 7255345), (45, 5804276), (51, 5121420), (60, 4353207), (68, 3841065), (85, 3072852), (90, 2902138), (102, 2560710), (153, 1707140), (170, 1536426), (180, 1451069), (204, 1280355), (255, 1024284), (289, 903780), (306, 853570), (340, 768213), (510, 512142), (578, 451890), (612, 426785), (765, 341428), (867, 301260), (1020, 256071), (1156, 225945), (1445, 180756), (1530, 170714), (1734, 150630), (2601, 100420), (2890, 90378), (3060, 85357), (3468, 75315), (4335, 60252), (5021, 52020), (5202, 50210), (5780, 45189), (8670, 30126), (10042, 26010), (10404, 25105), (13005, 20084), (15063, 17340)]