78389040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19213}}^1$

素因数の和:19246

約数の個数: 80

約数和(自身を含む): 257313888

約数和(自身を除く): 178924848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 19213, 38426, 57639, 76852, 96065, 115278, 153704, 192130, 230556, 288195, 307408, 326621, 384260, 461112, 576390, 653242, 768520, 922224, 979863, 1152780, 1306484, 1537040, 1633105, 1959726, 2305560, 2612968, 3266210, 3919452, 4611120, 4899315, 5225936, 6532420, 7838904, 9798630, 13064840, 15677808, 19597260, 26129680, 39194520, 78389040]

約数ペア:

[(1, 78389040), (2, 39194520), (3, 26129680), (4, 19597260), (5, 15677808), (6, 13064840), (8, 9798630), (10, 7838904), (12, 6532420), (15, 5225936), (16, 4899315), (17, 4611120), (20, 3919452), (24, 3266210), (30, 2612968), (34, 2305560), (40, 1959726), (48, 1633105), (51, 1537040), (60, 1306484), (68, 1152780), (80, 979863), (85, 922224), (102, 768520), (120, 653242), (136, 576390), (170, 461112), (204, 384260), (240, 326621), (255, 307408), (272, 288195), (340, 230556), (408, 192130), (510, 153704), (680, 115278), (816, 96065), (1020, 76852), (1360, 57639), (2040, 38426), (4080, 19213)]