15705801520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1\times {\mathrm{3823}}^1$

素因数の和:4502

約数の個数: 80

約数和(自身を含む): 36999953280

約数和(自身を除く): 21294151760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 577, 712, 890, 1154, 1424, 1780, 2308, 2885, 3560, 3823, 4616, 5770, 7120, 7646, 9232, 11540, 15292, 19115, 23080, 30584, 38230, 46160, 51353, 61168, 76460, 102706, 152920, 205412, 256765, 305840, 340247, 410824, 513530, 680494, 821648, 1027060, 1360988, 1701235, 2054120, 2205871, 2721976, 3402470, 4108240, 4411742, 5443952, 6804940, 8823484, 11029355, 13609880, 17646968, 22058710, 27219760, 35293936, 44117420, 88234840, 176469680, 196322519, 392645038, 785290076, 981612595, 1570580152, 1963225190, 3141160304, 3926450380, 7852900760, 15705801520]

約数ペア:

[(1, 15705801520), (2, 7852900760), (4, 3926450380), (5, 3141160304), (8, 1963225190), (10, 1570580152), (16, 981612595), (20, 785290076), (40, 392645038), (80, 196322519), (89, 176469680), (178, 88234840), (356, 44117420), (445, 35293936), (577, 27219760), (712, 22058710), (890, 17646968), (1154, 13609880), (1424, 11029355), (1780, 8823484), (2308, 6804940), (2885, 5443952), (3560, 4411742), (3823, 4108240), (4616, 3402470), (5770, 2721976), (7120, 2205871), (7646, 2054120), (9232, 1701235), (11540, 1360988), (15292, 1027060), (19115, 821648), (23080, 680494), (30584, 513530), (38230, 410824), (46160, 340247), (51353, 305840), (61168, 256765), (76460, 205412), (102706, 152920)]