285848520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1875

約数の個数: 128

約数和(自身を含む): 906301440

約数和(自身を除く): 620452920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1720, 1787, 1860, 2580, 2666, 3574, 3720, 3999, 5160, 5332, 5361, 6665, 7148, 7998, 8935, 10664, 10722, 13330, 14296, 15996, 17870, 19995, 21444, 26660, 26805, 31992, 35740, 39990, 42888, 53320, 53610, 55397, 71480, 76841, 79980, 107220, 110794, 153682, 159960, 166191, 214440, 221588, 230523, 276985, 307364, 332382, 384205, 443176, 461046, 553970, 614728, 664764, 768410, 830955, 922092, 1107940, 1152615, 1329528, 1536820, 1661910, 1844184, 2215880, 2305230, 2382071, 3073640, 3323820, 4610460, 4764142, 6647640, 7146213, 9220920, 9528284, 11910355, 14292426, 19056568, 23820710, 28584852, 35731065, 47641420, 57169704, 71462130, 95282840, 142924260, 285848520]

約数ペア:

[(1, 285848520), (2, 142924260), (3, 95282840), (4, 71462130), (5, 57169704), (6, 47641420), (8, 35731065), (10, 28584852), (12, 23820710), (15, 19056568), (20, 14292426), (24, 11910355), (30, 9528284), (31, 9220920), (40, 7146213), (43, 6647640), (60, 4764142), (62, 4610460), (86, 3323820), (93, 3073640), (120, 2382071), (124, 2305230), (129, 2215880), (155, 1844184), (172, 1661910), (186, 1536820), (215, 1329528), (248, 1152615), (258, 1107940), (310, 922092), (344, 830955), (372, 768410), (430, 664764), (465, 614728), (516, 553970), (620, 461046), (645, 443176), (744, 384205), (860, 332382), (930, 307364), (1032, 276985), (1240, 230523), (1290, 221588), (1333, 214440), (1720, 166191), (1787, 159960), (1860, 153682), (2580, 110794), (2666, 107220), (3574, 79980), (3720, 76841), (3999, 71480), (5160, 55397), (5332, 53610), (5361, 53320), (6665, 42888), (7148, 39990), (7998, 35740), (8935, 31992), (10664, 26805), (10722, 26660), (13330, 21444), (14296, 19995), (15996, 17870)]